Mizoram Science Journal · 2020. 1. 7. · Mizoram Science Journal - 2 Mizoram Science Journal,...
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 1 -
Chairman
C. Lalrosanga
(943615-1168)
Editor
Lalrinthara Pachuau
( 986235-8768 )
Jt. Editor
Zothantluanga
(986239-9462)
K. Lallawmzuala
(986230-0576)
News Editor
Vanlaldinpuia
(943615-5739)
Members
Peter Lalsanga
P.C.Lalzoliana
Lalthangliana
Vanlalhuma
Lalchhuanawma
P.C.Lalrintluanga
Laldinpuia
Manager
Zothanliana
(986259-3245)
Publisher
Dr.R.Lalengmawia
(943619-6952)
Advisers
Revd. Chuauthuama
Lalnunsiama Colney
Vol. XXX. No. 1 & 2
January & February, 2016
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Mizoram Science Journal Mizoram Science Journal
- 2 Mizoram Science Journal, January & February, 2016
Ed it or ia l
BBBBB I B L EI B L EI B L EI B L EI B L E L E HL E HL E HL E HL E H S S S S S C I E N C EC I E N C EC I E N C EC I E N C EC I E N C E
February thla hi scientist ropui Charles Darwin (Feb. 12, 1809), Galileo Galilei(Feb. 15, 1564), Copernicus (Feb. 19, 1473) leh mi dang enge maw zat pian thlaa ni a, anni pathum hming kan kan sawi chhuah chhan kher hi chu khawvelin a thil
hriat dan her danglam dawrh tute an nih vang a ni. Kan hriat angin Darwin hi kum
5 chhung teh meuh a thil zir leh chhuina a\anga a nih dan nia a hriat evolution theory
rawn chhawp chhuaktu a ni a, Copernicus leh Galileo te hian an hun laia mi zawng
zawng leh sakhua pawhin a pawm dan kalhin Lei hian Ni a hel thu an rawn tlangaupui
a ni.
Science chu thil reng reng nihphung leh a awm dan zirna a ni a, chutiang atan chuan
kalphung pathum zui a nei a – i) a nih dan phung hre chiang tura ngun taka thlithlai
(observation), ii) a nih dan hre fiah tura enchhinna neih (experimentation), iii) heng
thil pahnih te hmanga a dikna hai chhuah (deduction) te a ni a, hei hi scientific trinity
(OED) tia an sawi \hin chu a ni.
Chutichuan science chu kalphung fel leh awmze nei taka thil zirna leh chhuina a nih
avangin scientific theory te hi ngaihdan leh rin dan a ni satliah ngawt lova, thudik
tluan tling a nih em loh pawhin a \helh tam pui lo tura ngaih a ni. Chuvangin scientist-
te chuan an thil hmuh leh hriatte chu huai takin an puang ngam a, an thu ro lumah
nghet takin an ding \hin. A hun laia vantlang pawm dan leh hriat dan pawh ni lo
mahse, mi dangin hriatthiampui ve lo mahse, science hmang veka an hriat dan leh
pawm dan chu \hiahsak an nih loh chuan an thu an zuk ve mai mai ngai lo.
Mihring finnain a hriatthiam phak china Bible-in a sawi dan nia kan hriat leh scientific
theory te a inhmuh chiah loh hian mi tam tak chuan science leh Bible hi a inkalh
emaw an ti fo \hin. Science leh Bible hi a inkalh lova, science hian Bible a do bawk
hek lo. Thudik hriat tumin science chuan a chhui a, sakhaw tel lova science hmangtuten
Bible beih nan science an hmang mai a ni zawk. Sakhaw zirtirna eng a\anga science
thlirtute tan chuan science hi Siamtu ropuina tifiahtu leh lan chian tirtu a ni a, Bible
dikzia hai langtu a ni zawk \hin.
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 3 -
Krista Roluahpuia
Indian Institute of Technology,
MumbaiThuhmahruaiThuhmahruaiThuhmahruaiThuhmahruaiThuhmahruai
Relativity part 2 ka lo ziak ang ka ti zet nangin hei hi rilruah a lang tlat mai a. Editor, Sir
Urinthara hian a pawm tho turah ngai ila. Heti lampang zawk hi ka lo thai kual teh ang.
Physics – ah, Kinetic Theory of gas khan hmasawnna tam tak a pe a. Thil (system)
tam tak a hrilhfiah a. Tin, atomic scale ang zawng pawhin Drude model (hei pawh hi
Kinetic Theory of gas hrin chhuah tho a ni) khan a hun lai chuan thil tam tak a hrilhfiah
a. Mahse duhthusam lohna tam tak a nei. Chu’ng zingah chuan electronic mean
square velocity an chawh chhuah kha a let za dawnin a tlem a. Tin, specific heat
(volume pangngai rengah), drude model hmanga an chawh chhuah pawh kha 100
laiin a tam leh thung. Chuvang chuan mathematical concept hran daih – statistical
mechanics hi, atom tam tak awmna nihna (property) zir turin mamawh a nih avangin
miin an lo hmang uar ta a ni.
Thupuiah lut nghal angThupuiah lut nghal angThupuiah lut nghal angThupuiah lut nghal angThupuiah lut nghal ang
Kan chhehvela kan thil hmuh tam tak leh physics zirlaibua calculation kan tih tam zawkah
hian atom tam tak an awm a. Entirnan: cubic meter khatah hian atom an awm thei
a. Physics tak chuan hetiang thil (system) hi large system tih a ni \hin a. Atom awmzat
khi a tam hem hem khawp mai. Drude model khan atom pakhat energy kha a thlur
deuh bik tawp a, mahse atom te kha an in kaihhnawih (interact) vek mai si a. Chumi
avang chuan a dikna tak kan hmu thei ngai dawn lo a ni. An energy a ni emaw
engpawhnise an zavai hnathawh avanga lo chhuak chu chhutchhuah kan tum zawk
dawn a ni. Chuti ang zawnga calculation tih chu Satistical mechanics hmanga zirchianna
chu a ni a. He mathematical concept hmang hian thil hnihphung chu kan bihchiang
(generalize) tihna a ni \hin.
Han sawi chho zel ilaHan sawi chho zel ilaHan sawi chho zel ilaHan sawi chho zel ilaHan sawi chho zel ila
System pakhat: Luma pangngai (constant T), hmunluah zawng pangngai (constant V) leh
chakzawng pangngai (Constant Energy= 3E) lo nei ta ila. Volume constant kan neih avangin
Energy pawh a hrang (quantize) dawn tihna a ni a. Chu chu a hnuaia diagram – ah hian ka
entir a.
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Figure 1: Energy state particle 2 tanFigure 1: Energy state particle 2 tanFigure 1: Energy state particle 2 tanFigure 1: Energy state particle 2 tanFigure 1: Energy state particle 2 tan
Chuan tunah hian particle (atom) awm zat chu 2 emaw 3 emaw 4 emaw lekah lo ngai chin
ta ila. A nih chuan particle ho khian a chunga energy khi an nei dawn tihna a lo ni a. Tin,
Temperature, Volume leh Energy constant –in state a hrinchhuah kha thermodynamics
takin Macrostate kan ti \hin bawk kha a ni a. Particle 2 chu han la ta ila. A chunga energy
an neih khi han hmehbel ta ila state kan neih hran zawng zawnga kha microstate an tih kha
a ni leh a. Chumi awmzia chu microstate khan macrostate a siam tihna a lo ni. A nih chuan
particle pakhat kha enrgy 3E nei ta se pakhat zawk chuan enrgy 0E a nei dawn tihna a ni a,
chu chu microstate chu a ni. Tin, hetiang lo pawh hian tihdan a awm leh a. Particle pakhat
khan energy 2E nei ta sela a dang chuan 1E a nei veleh thung a. Hei pawh hi microstate
pakhat dang a ni leh tihna a ni, a chunga diagramah khian chiang takin kan ziak a.
Sawi tawh angin kan system ngaihtuah khian energy 3E chauh a neih avangin particle pahnihte
khan an energy chan belhbawm kha 3E a nih ngei ngei a ngai tlat a. Thil pakhat leh chu
particle-te khi thleng (swap) pawh ni ila microstate khat a ni reng dawn bawk a ni.
Amaherawhchu particle kan tih khi a hriathran theih (distinguishable) an nih avangin state
pahnih erawh an nei ang. Mathematics takin microstate khatah energy an neih kual dan chu
hetiang hian factorial hmangin kan ziak thei a:
2:1:1
21 )2 1( ==dantheihneihEnergyinlehMicrostate ……………….. 1
Tin, microstate pakhat zawk energy 2E leh 1E nei pawh khan khitiang tho khian energy a
neih theih zat chu pahnih a ni a. Classical Probability hmangin microstate pakhata an awm
theihna chance khi 50% ve ve a ni a. Chumi awmzia chu energy 3E leh 0E awm theihna
chance chu 50% a ni a, chutiang bawkin energy 2E leh 1E awm theihna chance pawh 50%
tho a ni bawk.
Sawifiah chhunzawm zel angSawifiah chhunzawm zel angSawifiah chhunzawm zel angSawifiah chhunzawm zel angSawifiah chhunzawm zel ang
Tunah hian particle 3 nei leh ta ila. Engtin nge energy kan neih kual theih han en leh chhin
phawt teh ang: a hmasa berah chuan enrgy 3E pakhat nei leh enrgy 0E pahnihin a neihin a ni
a, a dang lehah chuan particle pakhat khan 2E nei se, a a dangin1E nei leh a pathumnain 0E
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Mizoram Science Journal Mizoram Science Journal
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nei leh sela, tin atawp berah chuan energy 1E \heuh an neihin a dik chiah dawn bawk a. A
hnuaia diagram hi en ta ila:
Figure 1: Energy state particle 3 tanFigure 1: Energy state particle 3 tanFigure 1: Energy state particle 3 tanFigure 1: Energy state particle 3 tanFigure 1: Energy state particle 3 tan
Mathematics takin microstate tinin engtin nge energy an neih theih dan han entir leh ila:
4:1:3
:4 3 ==dantheihneihEnergyinMicrostate …………………….2
6:1:1:1
:3 2 ==dantheihneihEnergyinMicrostate …………………..3
1:3
:3 3 ==dantheihneihEnergyinMicrostate ………………………4
Classical probability hmangin micorstate 1 hian state a neih theina chance chu 30% a ni a,
microstate 2 chuan 60%, tin microstate 3 erawh chuan 10% chauh a nei thung a. A nih
chuan particle a tam pauh leh a buai (complicate) tulh tulh tihna a lo ni. Microstate 2 khian
energy neih theina chance a ngah ber tihna a ni.
Particle pali tan han ngaihtuah leh chhin ila. Hei hi chu diagram chauhin microstate tinte’n
energy state an neih theih dan chu entir tawh mai ila:
Figure 3: Energy state particle 4 tanFigure 3: Energy state particle 4 tanFigure 3: Energy state particle 4 tanFigure 3: Energy state particle 4 tanFigure 3: Energy state particle 4 tan
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Tin, energy state an neih theih dan pawh hetiang hian a ni a:
4:3:1
:4 1 ==dantheihneihEnergyinMicrostate ……………….5
12:2:1
:4 2 ==dantheihneihEnergyinMicrostate ………………6
4:1:3
:4 3 ==dantheihneihEnergyinMicrostate
………………..7
A nih chuan classical probability hmang bawkin microstate 1, microstate 2 leh microstate 3
te hian state neih theihna chance 20%, 60% leh 20% tihna a lo ni. A hmasa berah particle
pahnih chauh kan ngaihtuah kha chuan energy state an neih theihna chance kha 50% ve ve
a ni a. Mahse particle a tam zel khan microstate \henkhat chuan energy state neihna chance
an neih sang bik a lo ni. Particle tam zawk kan ngaihtuah phei chuan microstate khatin
energy state a neih theihna chance kha a sang filawr zel a, tin microstate chhunga energy
state a neih theih dan pawh a sang lawr lak zel dawn tihna a lo ni. A tira kan sawi cubic
meter khat biala atom nei thei system tan phei chuan microstate chungnung fal bik awm
dawn tihna a lo ni.
Titawp leh phawt mai angTitawp leh phawt mai angTitawp leh phawt mai angTitawp leh phawt mai angTitawp leh phawt mai ang
A sei viau hian miin an chhiar \ha duh lo ang tih a hlauhawm riau mai a. Chuvang chuan ka
rek bung mai dawn. Mahse chiang taka ka ziah duh chu: system zir chian nana statistical
mechanics kan hman reng reng hian particle a tam poh leh state khat awm theihna a sang
filawr tulh tulh a. A chunga ka sawi ang khian cubic meter khata atom awm \hinah phei
chuan state awm thei sang berin state dangte aia a awm theihna chance hi a sang filawr lak
a. Chu state chu statistical mechanics chuan equilibrium state tiin a pawm a ni. A nih chuan
particle 3 tan equilibrium state chu microstate 2 a ni anga chutiang zelin particle 4 tan pawh
equilibrium state chu microstate 2 a ni dawn tihna a lo ni. Remchang hmasa berah Fermi –
Dirac statistics te, Maxwell Boltzmann Statistics te pawh kan la sawiho dawn nia. Mahse
he concept hi kan theihngilh loh a ngai ang. Sir Lka kha Bawngkawna kan selfie dun kha ka
dah \ha khiau e. I whatsapp ve si loa ka lo thawn thei lo che. Sir RSa leh Sir Zoate pawh
inngaihawm \hin khawp mai. Chhiartute zawng zawng kumthar chibai mawlh mawl ule!
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Douglas C. Engelbart Douglas C. Engelbart Douglas C. Engelbart Douglas C. Engelbart Douglas C. Engelbart
Computer khawvela kan chen
chhung hian MOUSE tello hian kan khawsa
thei tak tak tawh lo mai thei. Tunlai kan ram
ang chu nise National Voter’s Day kan hman
ni Jan 25, 1925 khan Douglas Carl Engelbart
chu Portland khua, Oregon State,USA-ah a
lo piang a. Unau 3 kara alaita niin kum 9 mi
lek anihin apain a thihsan a. Franklin High
School-ah kum 1942 khan a graduate a.
Oregon State College-ah electrical
engineering a zir zui. Indopui II-na a in\an
chhoh lai velin America sipaiah lutin
Philipines-ah kum hnih chhung radar engineer
hna athawk a. USA lama a haw leh hnuin
California’s Ames Research Center, sorkar
enkawl laboratory-ah a thawk zui leh a, he
hmun hi National Advisory Committee on
Aeronautics (tunah NASA) te enkawl a ni.
Kum 1955 khan University of
California, Berkeley a\angin Electrical
Engineering-ah Ph.D a hmu a. Hemi hnu hian
Stanford Research Institute (SRI
International tia hriatzui) ah a hna thawh tak
tak bul a \an a. Hetihlai vel hian bootstrapping
tia a koh research ti tuten computer hmangin
thawk se engineering hna leh science zirna
ten nasa takin hma asawn dawn tih chu a
tlangaupui chiam \hin. Heng hun lai hian
computer an hmanna ber chu khawl leh
hmanrua control nan a ni. 1960-ah Palo Alto
ah SRI International’s Augmentation
Research Center a din a. Hetah hian
information processing leh computer in
hman\awm theih na tur hmanrua siam leh a
siam dan tur
duanchhuah chu
nasa zawkin a kal
pui a. Two
dimensional editing
system te a siam
chhuak a, text-
graphic hman kawp
theih leh Shared-
Screen te rawn duang hmasatu leh a hman
theih dan te a rawn phochhuaktu a ni. He a
hnathawh a\ang hian On-Line System NLS
tia an sawi bawk kan \angkai pui tak em em
mai alo chhuah theih nana thawktu hmasa a
ni ta a ni. A hnathawh ropui leh chhinchhiah
tlak ber ni ta chu kum 1964-a Computer
Mouse a rawn duangchhuak hi a ni. Mouse
an siamchhuah hmasak ber hian hmehna
(button) 10 lai nei turah a ngaih laiin button 3
nei chu siam hmasak ber a ni. Mouse \angkai
zia hi sawi vak ngai lo mahse sum leh pai
lam zawngin Engelbart hian hlawkna a tel
hauh lo nia.
A hnathawh ropui tak tak te avangin
chawimawina a dawng nual mai. Coors
American Ingenuity Award (1991), Yuri
Rubinsky Memorial Award (1995), IEEE
John von Neumann Medal, Lemelson-MIT
Prize (1997), Turing Award (1997) te leh
USA-a engineering leh Technology lama
chawimawina sang ber National Medal of
Technology and Innovation (2000) kha tih
laia President Bill Clintona’n a hlan te hi te hi
a langsarzual an ni.
Kum 2007 a\angin Alzheimer’s natna avangin
a buai \an a. 2 July 2013 khan California a,
chenna Atherton khuaah Kal \ha lo ( kidney
failure) vangin a thi ta a ni.
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An mit chu a del ngei mai a, mahse, an
suangtuahna lam erawh a del lem lo a ni. Kan
hre \heuh ang a, mitdel writers, politicians leh
philanthropists te, chutiang ang bawkin mitdel
mathematician ropui tak te leh heti lama hma
thlir thui tak nei leh thawh hlawk tak te an
awm bawk a. Awle, tute nge an nih, eng ang
chiah a thiam nge an nih tih te in lo en dawn
teh ang. -Nicholas
Saunderson -Saunderson -Saunderson -Saunderson -Saunderson - Ani hi England rama scientist,
Mathematician leh Newton-a thawh pui hnai
vai tak niin kum 1682 khan Thorlstone,
Yorkshire, khaw te tak teah alo piang a.
Bayes Theorem, Thomas Bayes-a hming
chawia an phuah tak hmuchhuaktu a ni.
Vanduaithlak takin smallpox natna avangin a
khaw hmuh theihna alo tawp a, a mit alo del
ta a, mahse, hemi avang hian a lehkha zirlai
leh mathematics a zirna te chu a chawlhsan
chuang lova, mitdel lehkha zirna hmangin
St.John, Baptist Church, Pennistone-ah
chuan a zir zui reng tho a. A lehkha zirna
hmun chu Pennistone Grammer school-ah a
ni a. Tichuan, kum 1707 khan Cambridge-
ah a kal leh a, chutah chuan a \hian Joshua
Dunn bulah a awm ve a ni. Mathematics
proffesors thiam tak 3th.Lucasian, Isaac
Newton a thlaktu an tih Wiiiam Whiston-a
chuan Saunderson-a chu mathematics,
astronomy leh optics lamah te lecture pek
ve a phal sak a. Mahse, hemi hnu
30.Oct.1710 hian Whiston-a chu a nihna
a\ang chuan an ban a.19.Nov.1711 hian
Queen Anne chuan Saunderson-a chu
Master of Arts degree a hlan a, tichuan,
Whiston-a ai chu a awh ve thei ta a, a tukah
chuan 4th.Lucasian Proffesor atan thlan a ni
ta nghe nghe a ni. 6.Nov.1718 khan Fellow
of the Royal Society (FRS)-ah thlan a ni leh
a, chumi hnu kum 1728 khan doctor of laws,
George-II (King of Great Britain & Ireland)
a pe leh bawk a ni. Kum 1739.19 April khan
scarvy natna avangin a boral a, Cambridge
bul Boxworsh-a biak in hmunah an phum ve
ta ni. Amah hi \hian kawm thiam tak a ni a,
Isaac Newton, Edmond Halley, Abraham De
Moivre leh Roger Cates te nen pawh an in
hre hle a ni. Arithmatic leh Alzebra ho te hi a
bika siam calculator/abacus an tih hmang te
in a kut a dap in a chawk \hin a ni. -Leonard
Euler - Euler - Euler - Euler - Euler - Euler-a hi kum 1707.15.April khan
Paul Euler leh Margaruerite Brucker te in kar
a\angin Basel khua ah alo piang a. A mit vei
lam hi cateract avangin a del a, chu bakah
khawsik hlauhawm tak,1735-a a vei avangin
eyestrain natna a nei bawk a ni. Amah hi
Swiss Mathematician leh Physicist, kum zabi
18th na lai vel a mi a ni a, Russia leh Germany
velah a awm deuh ber \hin a, Infinitesimal
Calculus leh graph theory velah thil hmuh
-Lalchhandama.Colney
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Mizoram Science Journal, January & February, 2016 - 9 -
chhuah thar a ngah hle a ni. Tun laia kan
mathematics ah pawh hian a thawh hlawk
hle a, chung zingah chuan mathematical
function f (x), kan tih te pawh hi a tel a ni.
Hei bakah hian mechanics, fluid dynamics,
optics leh astronomy lamah te pawh a lar hle.
A tirah chuan Basel-ah lehkha a zir \an a, tah
hian a nu ang chiah a enkawl tu a pi bulah a
awm a ni. Kum 13 a nih in University of Basel
ah a lut a, tichuan, kum 1723-ah Master of
Phylosophy a dawng a ni. Hetih lai hian inrinni
chawhnu lehkha zirnaah a tel ve \hin a, chuta
an hotu, Johann Berneralli chuan a ni chu
mathematics lama talent ropui tak nei a ni tih
a hmu chhuak a. Kum 1727-ah Paris
Academy Price Problem, in elnaah a tel ve
a, an in elna chu – “to find the way to place a
mast on a ship,”tih a ni. Tah hian lawmman
pahnihna a dawng a, pakhatna dawngtu chu,
“the father of naval architecture,” an tih, Pierre
Bouguer-a a ni. Hemi hnu hian Euler-a hian
lawmman hi tum 12, lai a dawng leh a ni.
Euler-a hian heng zawng zawng tih theih deuh
thaw ah hian-geometry, infinitesimal calculus,
trigonometry, alzebra leh number theory,
continuum physics, lunar theory leh physics
peng hrang hrangah te hnu hma a nei vek a
ni. Mathematician te zingah chuan a hming a
number vuah awm chhun amah chauh hi a ni
awm e. Chungte chu calculus a, Euler’s
Number- “e”, approx=2.71828 te leh Euler-
Mascheroni Constant y (gamma) - Euler”s
Constant an tih mai, approx=0.577721 te hi
an ni. Euler-a hian kum 1736 khan problem
khirh khan tak-Seven Bridges of Konigsberg
an tih chu a solve thei a, he a chawh chhuah/
solve na hi, “first theorem of graph theory”
an ti nghe nghe a ni. Hei bakah hian formula,
V-E+F=2,hi a hmu chhuak bawk a ni.
-Lev
Pontrygin - Pontrygin - Pontrygin - Pontrygin - Pontrygin - Ani hi Russian mathematician
niin 3.Sept.1908, khan Moscow-ah alo
piang a, kum 14 mi anih in accident a tawk
a, chuta thil puak chuan a mit a ti del ta a ni.
A pa hi Semen Akimovich Pontrygin-a a ni
a, sawrkar hnathawk a ni. Hetiang harsatna
nei chung hian kum zabi 20th. laia
mathematics mi ropui ni thei a ni, a nu Tatyana
Andreevna hian a theih tawp in mathematics
bu leh paper hrang hrang, mithiam te siam
leh buatsaih a chhiar sak \hin a ni. Kum 1925-
ah University of Moscow-ah a lut ve \an a,
rei lote-ah lecturer ho te chuan mi danglam
tak ani tih an hre thei nghal a. Alzebraic
topology leh differential topology-ah te hmuh
chhuah ropui tak tak a nei a, zirlai a ni chung
hian dual theory (homology)-ah te pawh tha
a thawh nasa hle. Abstract theory, Pontrygin
duality an tih tak bul \hut (foundation) te pawh
ama tihchhuah a ni. Topology lamah te pawh
Cobordism theory an tih problem te pawh a
hmuchhuak a, chu chuan 1940 vel laia
theory, Pontrygin classes an tih tak, a rawn
chhawp chhuak bawk a. 1942 khan
cohomology operation, Pontrygin spaces,
bang-bang principle te pawh a han chhawp
chhuak bawk a ni. Pontrygin-a hian
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Mizoram Science Journal Mizoram Science Journal
- 10 Mizoram Science Journal, January & February, 2016
monograph mi hneh thei tak tak leh
mathematics text-book lar leh \ha tak tak a
ziak \euh bawk a ni.
-Abraham
NemethNemethNemethNemethNemeth - American mathematician leh thil
hmuchhuaktu a ni a, ni 16.Oct.1918 khan
New York City-a Lower East Side,
Manhatten-ah (in thlahchhawn) mitdel sa in
alo piang a, Juda leh Hungarian thlah pawlh
a ni. A naupan lai chuan sikul pangaiah a kal
a, mahse, a hun tam zawk-primary leh
secondary chu Jewish Guild for the Blind,
Yonkers ah a kal a ni. Brooklyn college-ah
psychology majore a zova, Columbia
University a\angin M.A. psychology a zo leh
a, tichuan, mathematics leh physics chu
Brooklyn college-ah zir leh ta a ni. Abraham-
a hian Brail Code, maths leh science
hmanruate khawih awlsam zung zung theihna
tur a mamawh a, tichuan, Nemeth Code,
Mathematics leh Science Notation atan kum
1952 khan alo siam ta a ni. Nemeth code hi
a tir a\anga vawiin thlengin \um 4 an ennawn
(revised) tawh a ni. Mak tak mai chu a thih
thu hi advance tak mai in Jewish leh mitdel
magazine-ah vawihnih lai an chhuah a, a
unaupa leh a nupui te an thih niin. Nemeth-a
hi United States Democratic Party member
a ni a, mahse, Michigan Republican governor
in State Commission for the Blind, chairman
atan a ruat a, kum hnih chhung a\ang a ni
(1991-1993).
Bernard Morin -Bernard Morin -Bernard Morin -Bernard Morin -Bernard Morin - Mathematician hrat khaw
kheng a ni a, a pa hi French khua leh tui nihna
nei, Shanghai bank pakhat a thawk a ni. Kum
ruk mi a nihin glaucoma avangin a mit a del
a, tichuan, France ramah enkawl turin an kal
pui a, an lo kir leh a, vanduaithlak takin retina
lam dik lohna a nei leh a, tichuan, a mit chu a
del ta vek a ni. France ramah a kir leh a, tah
chuan mitdel school-ah kum 15 a tlin thleng
in lehkha a zir a. Mathematics lam a zir hma
hian kum rei lote chhung chu philosophy lam
a zir a. A mitdelna hian mathematics lama a
hlawhtlinna a dal chuang lo a ni. Kum 1957-
ah Centre National de la Recherche
Scientifique (The Centre for Scientific
Research) ah research hna a \an a. Kum
1972-ah Ph.D. a hmu a, heta \ang hi chuan
University of Strasbourg a zirtir nan a hun
chu a hmang ta chawt a, tichuan, 1999 khan
a pension ve ta a ni. Morin hi Institute for
Advance Study, Princton-ah te pawh a
thawk tawh a ni. Morin-a hi homotopy
(eversion of the sphere) hrilhfiah tute zingah
khan a tel ve a, chu bakah Morin surface
hmuchhuaktu a ni. Parametrization of Boy”s
surface (Werner Boy a hming chawiin)
hmasa ber hmuchhuak tu a ni bawk. A
student Francois Apery (graduate) an a hnu
ah (1986) parametrization of Boy”s dang a
hmuchhuak leh a ni. A hnathawh dan chu ti
hian a sawi a – “kan suangtuahna te chu thil
khawih a\angin kan \an a, thil a\ang te chuan
kan kut ngeiin kan mit ni lovin kan siam a ni.”
-
Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 11 -
Career guidance
(chhunzawmna)
Engineer nihna kalkawngEngineer nihna kalkawngEngineer nihna kalkawngEngineer nihna kalkawngEngineer nihna kalkawng
India ramah hian Engineering College/insti-
tutes 1617 vel a awm a. Heta \ang hian kum
tinin engineering graduates nuam 6.27 pass
chhuak ziah ang an ni. Engineer nih tum tan
chuan Bachelor of Engineer (BE) emaw
B.Tech degree lak a ngai a ni.
Zir kawngZir kawngZir kawngZir kawngZir kawng
10+2 /PUC Science - Physics, CHemistry,
Mathematics pass tan BE seat Engineering
College-ah dil theih a ni.
Entrace Entrace Entrace Entrace Entrace TTTTTestestestestest
Engineering course zir turin admission hmuh
nan ziaka inelna, entrance test hautak zet
mai a awm \hin a. Chungte chu:
IIT-JEE: Indian Institute of Technology (IIT)
7 (Chennai/Delhi/Kanpur/Kharagpur/
Mumbai/Roorkee/Guwahati) a luhna tura
entrance test hautak leh harsa bera ngaih a
ni. IIT a\anga B.Tech degree neite hi an hlu
em em a, ram dang thleng pawhin hriat a ni.
AIEEE: All India Engineering Entrance Exami-
nation- hei hi India rama Engineering College
\ha lawr ho leh National Institute of Technol-
ogy (tun hma Regional Engineering College
an tih \hin) a lut tura admission test a ni.
State hrang hrangin Common Entrance Test
(CET) an huaihawt \hin. Entirnan: TNPCEE,
Anna University, Chennai, UGET, Sikkim-
Manipal, Maharastra CET etc.
Private Engineering College \henkhatin
anmahni Admission test an buatsaih bawk
\hin. Entirnan: VITEEE, Vellore.
Zir hun chhungZir hun chhungZir hun chhungZir hun chhungZir hun chhung
BE/B.TBE/B.TBE/B.TBE/B.TBE/B.Techechechechech zir hun chhung hi kum 4 a ni a.
Master degree- ME/M.Tech zir nan kum 2
a ni thung. Tin, Integrated M.Tech course a
awm bawk a, hei hian degree chi hnih a pe
kawp a, BTech leh M.Tech a ni a, zir hun
chhung pawh kum 5 a ni.
A.M.I.E LA.M.I.E LA.M.I.E LA.M.I.E LA.M.I.E L : Engemaw vanga B.E zir theilo
tan chuan AMIE (The Associate Member
of Institution og Engineers) programme hi
Institution of Engineers of India (IEIL)
huaihawt a ni a. AMIE degree hi BE de-
gree nen intluk (equivalent) a ni a, hna
zawnna atan UPSE Examination te, degree
sang zawk zir nana GATE leh GRE test atan
te pawh an pawm vek a ni. BE/B.Tech nge
nge ti erawh an tam hle.
AMIE kalkawngAMIE kalkawngAMIE kalkawngAMIE kalkawngAMIE kalkawng
Technician Member: Plus Two-Physics,
Chemistry, Mathematics pass (45% marks
aggregate).
Examination : AMIE programme a intat lut
turin Technician Member exam engemaw
ber kaltlang ngai te:
10+2/ PUC Science- English, Physics,
Chemistry, Mathematics
Bachelor of Science (B.Sc- Physics, Chem-
istry & Mathematics)
B.Sc first year (Physics, Chemistry, Maths)
+ Plus Two in Physics, Chemistry, Maths,
English with 45% marks aggregate
-
Mizoram Science Journal Mizoram Science Journal
- 12 Mizoram Science Journal, January & February, 2016
B.Sc degree in Eletronics and Computer
Science conducted at Narmada College,
Bharuch etc.
Engineering tuai thar hlawh (salary)Engineering tuai thar hlawh (salary)Engineering tuai thar hlawh (salary)Engineering tuai thar hlawh (salary)Engineering tuai thar hlawh (salary)
Institute hmingthang leh \ha taka zirchhuak
leh academic record nei \ha tan chuan hlawh
Rs 20,000 - 40,000 te a ni thei. Company
lian \ha, software company leh multi-national
company placement hmu chuan hei aia tam
(kum khat hlawh Rs 8-10 lakhs vel) pawh
an hlawh. A ni ciah tia sawi theih loh a ni.
Sector dang engineers tan chuan hlawh Rs
9,000 - 13,000/- a ni thei bawk. Sawrkara
lutte chuan Rs 10,000 - 15,000/- an hlawh
tlangpui a ni. Thawh rei hnu leh tawnhriat
(experience) a pun hnuah hlutna a sang zel
a, a hen turin hlawh pawh a pung zel a ni.
Engineering College \ha chhuanvawr:Engineering College \ha chhuanvawr:Engineering College \ha chhuanvawr:Engineering College \ha chhuanvawr:Engineering College \ha chhuanvawr:
Good students mean nothing unless excel-
lence is sustained and nutured
- Surendra Prasad, Director, IIT, Delhi
India India India India India TTTTToday 2006 oday 2006 oday 2006 oday 2006 oday 2006 TTTTTop 10op 10op 10op 10op 10
1. IIT, Delhi
2. IIT, Kanpur
3. IIT, Mumbai
4. IIT, Kharagpur
5. IIT, Chennai
6. IIT, Roorkee
7. Delhi College of Engineering, Delhi
8. NIT, Suratkal, Karnataka
9. Institute of Technology, BHU
10. NIT, Warangal (AP).
India India India India India TTTTToday 2007 oday 2007 oday 2007 oday 2007 oday 2007 TTTTTop 25 Engineeringop 25 Engineeringop 25 Engineeringop 25 Engineeringop 25 Engineering
InstitutesInstitutesInstitutesInstitutesInstitutes
1. IIT, Kanpur
2. IIT, Delhi
3. IIT, Chennai
4. IIT, Mumbai
5. IIT, Kharagpur
6. IIT, Roorkee
7. IIT, Guwahati
8. Indian Institute of Information
Technology, Allahabad
9. College of Engineering,
Anna University, Chennai
10. National Institute of Technology,
Tiruchirapally
11. Faculty of Engineering and
Technology, Jasavpur University,
Kolkata
12. Delhi College of Engineering, Delhi
13. National Institute of Technology,
Warangal
14. Vellore Institute of Technology,
Vellore
15. PSG College of Technology,
Coimbatore
16. International Institute of Technology,
Hyderabad
17. Birla Institute of Technology, Mesra
18. Institute of Technology, Benaras
Hindu University
19. Netaji Subash Institute of
Technology, Delhi
20. Visvesaraya National Institute of
Technology, Bangalore
21. MS Ramaiah Institute of
Technology, Bangalore
(chhunzawm tur)
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 13 -
-Vanlalnghaki
Cl - IX, Govt.
Chaltlang High School
Ka hming chu Vanlalnghaki a ni a, Govt. Chaltlang High School-a Class – IX zirlai ka ni.
Kumin hi ka vanneih kum anih te pawh ka ring rum rum mai, nikum 2015 thla tirah khan kan
Science Teacher ten Children Science Congress-a tel turin min lo thlang ve hlauh a, chuta
chhapah project \ha em em kan buaipui chhova, Pathian zarah ka tling chho ve zel a, a tawp
chu ka thleng ve ta hram a. Mysore kan thlen hma Mizoram kan pelh a\ang chuan, ‘Best
Moment of my life’ ani nghal vek mai a ni. Ka tui lutuk dawn kan zinna chungchangah kan
pakai daih ange. A tirte a\angin kan sawi ange.
1. KUMHLUI RELAH MAW KAN
THLAH : Kan kal ni hi kumhlui thlah ni
ani a, chhungte nen, \hiante nen sweet
home-ah nuam takin halpuah te, hal
mawite nen hman a chakawm nen, hemi
ni hian Aizawl kan chhuahsan a. Mizoram
aiawh ve meuh tur kan ni bawk a,
thlawhtheihnain Kolkata kan \um lut ve zan
a, kan chuang reilo lutuk a, ka vawikhat
chuanna a ni bawk si a, nuam tak a ni.
Zan dar 8:30pm ah chuan Kolkata a\anga
rel-a chuangin, chutah ngei chuan a ni
kumhlui ngaihawm tak chu kan thlah,
halpuah ri leh halmawi hmuhtur awm lo,
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Mizoram Science Journal Mizoram Science Journal
- 14 Mizoram Science Journal, January & February, 2016
\hiante hmuhtur awm bawk si lo, keimaha
kumhlui han thlah chuh, kum alo thar
chuan kumthar buk tur an awm silo, signal
a awm bawk silo, kan bula mi te lah chu
vai lian pui pui, mut duh deuh deuh an ni
bawk si a, mahni leh mahni chu chibai kan
inbuk tlawng mai a ni. Buktu neilo tih takah
Mizoram hi tikhawp hian a lo ngaihawm
tih ka hrelo, haw leh baka chak kha ka
neilo. Ni 2.1.16 zing lampang ah chuan
Bangalore kan thleng a, chutah chuan Rev.
Krawschhuanmawia te in ah chuan kan
innghat a, an chhungkua chu
an fel em em a, breakfast leh
lunch chu an inah kan ei a,
kan inbual a, kan indahfel
hnu chuan kan tum ram
Mysore chu kan pan ta a ni.
Tlai dar 5:30pm velah
Mysore chu kan thleng thla
ta a.
2. MIZORAM TEAM
KAN NI E… : A
tawi zawngin ISC-a kal tura
thlan ka thiannu
C.Zorempuii, Cl – IX, St.
Peters Higher Secondary
School, Chhingchhip, tuna
Chhiahtlang khua a khawsa
mek leh kei Vanlalnghaki, Cl
– IX Govt. Chaltlang High
School, Ramhlun North
venga awm ka ni. Keimahni
min hruaitu turin STAM
chuan zirtirtu fel tak tak Pu
Lalmuanpuia, Govt.
Hrangchhuana High School zirtirtu leh
Miss Lalthakimi Varte Govt. Saitual High
School zirtirtu te an thlang a, an fel em em
a, an ngaihawm tak zet zet a, min duat a,
min ngaihsak em em bawk a, zirtirtu
entawn tlak tak anni a, kan tan \hian leh
nu leh pa ang hial an ni a, kan lunglenna
zawng zawng pawh min tihreh sak thei
khawpa fel an ni. Keini pali bakah hian
Sir Muanpuia’n a fapa Samuel
Lalmuanawma chu a hruai ve a, a \angkai
em em a, kan \hian \ha tak a ni bawk.
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 15 -
Indian Science Congress hi India rama
Science thiamte Inkhawmpui lian ber ti ila
a chiang mai awm e. Scientists tam tak
leh College, University teacher/Lecturer-
te hmun hrang hrang India ram hrang hrang
a\angin he ISC chhim tur ringawt hian mi
30000 chuang lai an lo kal a, University
zirlai tam tak ten en, pui mep mep tak a
ni. Ropui khawp mai! Keini chu Indian
Science Congress hnuaia peng pakhat
Children Science Congress kan ni a, keini
lo pawh peng tam tak he ISC hian a nie a
ni. Indian Science Congress hi Ni
3.1.2016 khan Prime Minister Narendra
Modi an hawnna Amphi Theatre-ah pui
takin a nei a, a tuk ni 4.1.2016 hian keini
Children Science Congress chu a hran
hawnna neih leh a ni a, hemi ni tlai dar
2:00pm a\ang hian competition chu kan
\an nghal a, nitin tlai dar 3:00pm apiangin
‘Meet the Scientists’ tih programme a
awm ziah a, he hun hi Mysore ka awm
chhunga ka hlut ber leh ka hlawkpui ber a
ni a, Inspiration nasa tak ka char chhuahna
anih mai bakah, tumruhna te, hlawhtlin
chakna te min pe a. ISC-a ka kal thei hi
ka inchhuang takzet a ni. Scientists thiam
tak tak an lo kal bakah Journalists \ha tak
tak, Mathematician te, lecturer thiam tak
tak ten presentation an rawn pe \hin a,
Children Science Congress-a participants
te leh an guide teacher te tan chauh a ni a,
vai mai mai kan lo ti ve ringawt hi kan lo
mawl khawp mai, Mizo naupangte hi kan
nep viau ka tihna chu a ni lo, mahse anni
chuan an theihna zawng zawng, an hun
zawng zawng chu thiam ber nih tumin an
hmang \hin a. Mathematics phei chu thiam
tak an ni. Formula chi hrang hrang, theory
chi hrang hrang te chu hre tak a nni. Keinin
A,B,C kan hriat ang tluk hian an chiang a,
an zir ngun tih hi a hriat ngawih ngawih.
Anni chuan nihtum fel tak nen an nitin hun
hman dan tur leh a hunk al zel tur chu plan
fek tak neiin hun an hmang \hin, anni chu
sik leh sa, ei leh in, a hun leh a hmunin a
tibuai ve lo, an mahni an inhneh a,
enghunah pawh nise lehkha zir hun anih
chuan an zir mai a, ka zirlai pui tam tak te
hian heti hian tive ilang chuan mirethei hi
kana wm dawn a mi? Zing dar 7:00am ah
bus chuan breakfast ei turin min lo lam a,
kan eikhamah stall kan nghak \hin a, ka
project hi \ha ka tie m em a, mahse
midangte project chu a lo \ha em em a,
display tur an nei a, display tur ka lo keng
silo a, a zahthlak letling zawk. An
presentation a \ha bawk si, an project a
ropui bawk si, an stall a lun bik bawk si,
ka chak ber chu anni aia project ropui
zawk neih a, ISC-a tel leh a, in elpui leh
chu ka chak lutuk. Anni aia kan thiamloh
bikna ka hre lo. Mizoram hi kan nep bik
loh zia entir hi ka chak takzet a ni.
3. THREE STAR HOTEL CHU
NGAIHAWM TAK A NI! : Mysore chu
khaw nuam tak a ni a, Mysore bus stand-
ah chuan Mysore University zirlai
volunteers ho chuan min lo hmuak a, an
fel mai bakah English-a an biak theih vek
chu an lehkhathiam tilangtu a ni. University
Van chuan Campus chhungah min dah a,
mi tam tak, hmel hrang rhang chu kan
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Mizoram Science Journal Mizoram Science Journal
- 16 Mizoram Science Journal, January & February, 2016
impel suau suau a, registration tihna hmun
kan pan a, mi an tak bawk si a, a nghah
chhung pawh a rei khawp mai. Kan tih fel
meuh chuan tlai tawh tak a ni. Vanneih thil
thuah kan hotel an sawn a. Three Star
hotel ‘Aishwarya Residency’ ah min dah
a, zan a rei tawh si a, chauh nen, hah nen,
a room chhung kan thleng chuh! A.C a ni
bawk si. ISC-ah hian tello ila chuan kan
thleng pha awm silo a, kan vannei khawp
mai. Mahse zan khat atan chauh a nit lat.
A tuk zing dar 8:00am ah chuan kan hotel
dik tak kan pan a ngai ta tlat mai. RTTC,
BSNL guest house chu kan thleng a, kan
room kan lut a, kan thlenna hmasa a nawm
lutuk vang aniang a sap\awng takin,
‘That’s not fair’ tih mai chi mawle! Food
Court-ah chaw kan ei \hin a, registration
ID nei zawng zawng chuan kan ei vek \hin
a, chawhmeh chi hrang rhang a awm a,
lak ber tur pawh hriatloh khawpa tam,
chutah chaw ei khamah duhtawk a eitur
ice-cream a awm a, flavor chi hrang hrang
nen, sweets chi hrang hrang nen tui tak a
ni. “A tui bawk si, kar khat vel chu awm
ila kan thau haw nulh ang chu” tiin Miss
Atei chuan Food Court chu ui tak chungin
a thlah liam.
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 17 -
Knowledge is powerKnowledge is powerKnowledge is powerKnowledge is powerKnowledge is power
$ Khawvela coffee man to ber chu
Kopi Luwak ania, zawhte (civet cats) ek
a\anga siam a ni.
$ ‘The Gods Must Be Crazy’ a a
changtupa khan $300 chiah a film channa
a\ang khan a hlawh a, a film erawh kha chuan
$60 million a lalut thung.
$ Li-Fi lampum chu Light Fidelity ani
a. Wi-Fi ai a let 100 velin a chak zawk a ni.
A speed hi 224 Gbits per sec ani a, 1.5 GB
movie ang chi 18 hi second 1 chhung lekin a
download thei dawn tihna anih chu. Wi-fi aiin
Li-Fi hi a siamchhuahna kawngah senso
tlawm zawk tura ngaih a ni bawk.
$ Space Exploration Technologies
Corporation (SpaceX) hi kum 2002-a Elon
Musk(CEO of Tesla and co-founder of
PayPal) din ania, SpaceX programme in a
tum ber chu man tlawm zawka space a
exploration tih a ni. NASA in space-a thil
enge maw (engthil pawh) a kahchhuah hian
100-260 million dollars vel seng ziah ang an
ni a, SpaceX-ah erawh chuan an rocket
pakhat Falcon 9 hian 57 million dollars vel
an hmang a, Falcon 9 hi a hman nawn theih
thung a, vawikhat kahchhuahah hian 200,000
dollars ang vel an seng a. Rocket awm tawh
hnuah lo chhut leh ta ila NASA in 200 million
dollars vel an sen laiin SpaceX chuan 200k
million dollars ang vel chauh an seng dawn
tihna a ni.
4. ONE SELFIE PLEASE! : A thupui
chhiar chuan tunlai tleirawl te chuan kan
man nghal mai awm e. Mizo nih hi nuam
tak a ni han ti phawt mai ila, Ni 4.1.2016
Children Science Congress bik hawnni
hian kan Traditional Dress nen Amphi
Theatre kan pan a, kan hotel bus a\ang
chuan, “One Selfie Please”, tih chu a ri
\an nghal a. Bus a\anga kan chhuk chiah
chu ‘One selfie please’ leh one photo
please tih chu a ri nghal char char a,
Mizoramah chuan keini aia \ha an tam
lutuk a, celebrities nih loh phei chuan
thlalak puitu pawh kan hmu ngai lo a,
Mysore-ah chuan Mizo hmuhtur dang
an awm silo a, luck cher cher tak kan
ni. Celebrities te min ti hial a, nuam tak
a ni. Mizo nih hi alo nuam khawp mai!
Celebrities tak take maw intihte a awl
khawp mai. Thla min lakpui chu nuam ti
viau mah ila breakfast ei a hun tawh si
a, food court kan lut a, chutah pawh
chuan chaw pawh kan ei hman meuh
lo, kan traditional dress a nalh mai
bakah a ha tuten kan zir bawk si, milar
kan ni tak take maw in tithe pawh a
awl duh khawp mai. Stall chu kan
nghak a, kan stall chu a lun khawp mai.
Sap\awng thiam lo pawn thla min
lakpui duhvang ringawtin kan
presentation an rawn ngaihthla \hin a,
a lawmawm rual rualin hah deuh chang
hi chuan thla min lakpui pawn kan nui
duh lo vel \hin, sual thiam ve mai mai
asin! Thla min lak puitu te reng reng
hian ka hming an lam thiam lo hi a pawi
ka ti takzet zet a ni.
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Mizoram Science Journal Mizoram Science Journal
- 18 Mizoram Science Journal, January & February, 2016
5. BEST MOMENT OF MY LIFE! :
Ni 6.1.2016 hian Children Science
Congress bik hi closing function neih ani
a, hemi ni hian thil ropui tak ka tawng a,
‘Best Moment of my life’ ka ti hial a ni.
Stall ka nghah lai chuan ISC Organizing
Committee zinga mi hian, ‘Closing function
ah valediction speech, minute 2 chhung I
nei thei angem?’ a rawn tit hut a, kei chuan
a rang arangin ‘Aw, tehreng mai’ ka lo ti
a, mahse inbuatsaihna hun a awm lo a,
sawiture pawh ka hre lo a, closing dar
2:00pm ah kan nei a, kan sawi ve tawp
mai anih kha, midang rawn sawi vet e lah
khan an rawn sawi \ha \huai \huai thei si a,
mahse engnge ka sawi theih loh bik ang
ka ti a, banah chuan I sawi \ha lutuk min
lo tia, min chibai ta sup sup a, mak ka ti
zawk hial alawm. Mizo hi kan nep bik lo,
min ngaisang lutuk, kan chanchin hriat an
chak a, kan \awng hi nalh an ti em em
bawk a. Kal lama Mizoram ka ngaih nen
haw leh daih te kha ka chak rum rum a,
mahse closing ni alo thlen meuh chuan
Mysore chu chamhlen a chakawm rum
rum alawm. North East hi kan lo innel bikin
a hriat a, \hian kan siam a, Nagaland te,
Arunachal te, Rajasthan te, Meghalaya te
kan inkawm ve \an chauh a, an ngaihawm
dawn chauh a ni.
6. CHAWL HAHDAMNAN
WONDERLA : Wonderla hi Bangalore-
a awm a ni a, keima rawt chhuah a ni mai
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 19 -
awm e. Ni 6.1.2016 khan Children
Science Congress bik chu khar a ni a, ni
7.1.2016-ah Bangalore kan chho a dar
12:00pm velah kan thleng a, kan in dah
fel a, dar 1:00pm velah Wonderla kan
thleng a, a nuam tih hian a sawifiah zo
lo \ep a ni. Water part chi hrang hrang,
wave-te, a tawlh a tawlh chi te, lam
phawt a ruahsur theihna te, a tam mai
sawisen pawh a ni lo. A rualawh thlak
khawp mai. Mizoramah hian awm ve se
tih hi ka ngaihtuah char char a, a chuana
chuan chi te, a thlawha thlawhna, a ei a
ei chi te, a tam mai. Hun kan nei tlem
lutuk a, kan fangkim hman lo a, a pawi
tak tak a ni.
Ka sawi hmaih \ep Mysore ah
khan site seing kan nei a, Mysore Palace
te, Zoo te, Museum te kan fang a, chutah
lah Kolkata-ah Queen Victoria Garden
ah kan kal a, Science City kan tlawh leh
bawk a, pui tak a ni. Kan zirlai te, kan
zir zel tur te practical-in tam tak kan ti
bawk a, ISC-a ka kal hi ka hlawkpui
khawp mai.
Kolkata ah Ni 10 – 11 kan cham
a, shopping Mall lian tak takah kan kal
a, Quest te, South City Mall te, BK
Market te, AC Market te, New Market
te, Garihat te, a tam mai, heng Mall lian
tak tak a bazaar tur hian Mizo tam tak
kan zin \hin a, heng Mall te hi Mizoramah
awm ve sela chuan kan dinhmun te hi a
ziaawm sawt lo maw? A rualawh thlak
khawp mai.
7. THIL HRIATRENG TLAK NIA
KA HRIAT TE :
a. Hnamdang te an thil tih reng reng a
an lak thutak peihzia te leh an tum tuh
zia te.
b. A ber nih tuma theihtawp an chhuah
peih zia te.
c. Khawi hmunah pawh kali la
infrastructure an neih \hatzia te,
Pathian nung nei ve lo a kan ngaih ten
an ram an hmangaih zia te.
d. An hospitality \hat zia te.
e. Khawvel hian kan hnam incheina
nawi an lo tih zia te.
f. Mizote hi kan lo nep bik loh zia te.
g. Wonderla ang khu Aizawl-in kan
mamawh hle zia te.
h. Cannada ho hnathawh nasat zia te
leh an ram climate nawmzia leh hausak
zia te khu hriateng tlak an ni.
8. KAL LEH ZEL TURTE TANA
THURAWN
a. Hnamdang ten an project-ah affort
an pek nasat \hin em avangin kan
project neih an gang te, a display dan
ah leh presentation-ah pawh nasa
taka inbuatsaih lawk theih nise.
b. English thiam ve hla angai a, lehkhabu
te nen \angkawpin \awng lama
inbuatsaih lawk a \ha khawp ang.
c. Kan project mila lo inchhiar zau angai
a, achhan chu mithiam tak takin an
rawn tlawh a, an dilchhut \hin em
avangin.
d. Flex printing mai lo a, chart tam thei
ang ber attractive thei ang ber a ziah
ken tel ni bawk sela.
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Mizoram Science Journal Mizoram Science Journal
- 20 Mizoram Science Journal, January & February, 2016
9. THAN YOU! FOR
EVERYTHING : A hmasa berah chuan
hetiang dinhmun a ka awm theihna chhan
Pathian chungah leh STAM hian hetiang
competition hi buatsaih lo se, hetiang
dinhmuah hiak ka din theihloh mai bakah
tuna ka hriat zawng zawngte hi engmah
ka hre dawn silo a, ka lawm lutuk e. Ka
nu leh pa leh ka chhungte an tello hian
ka ti thei lo, min tawiawmna zawng
zawngah lawmthu ka sawi a, ka guide
teacher Sir K.Lalhmingmawia chungah
lawmthu ka sawi mawlh mawlh a, tun
dinhmun thleng tura min thawhrim pui zia
te, ka theihnghilh ngai loving. ‘Sir, ka
lawm e’. Kan zirtirtu Govt. Chaltlang
High School teacher zawng zawng
chungah lawmthu ka sawi a, engkim a
min \awiawm a, min tuipui avangin ka
lawm e.
Mysore thleng him tak leh duat taka
min hruai thengtu kan guide teacher Sir
Muanpuia leh Miss Atei chungah abik
takin lawmthu ka sawi bawk a ni.
A tawng berah chuan ka zirlai pui
zawng zawng te ka chah duh chu
‘Science hi I tuichilh ang u. Mizoram hian
in thiamna leh nangmahni a mamawh che
u. Kan \anrual chuan Mizoram hi A
BETTER PLACE FOR THE FUTURE
tiin kan ko thei ngei ang’ tih hi ka chah
mawlh mawlh a ni e.
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 21 -
TIME : 27th December, 2015 – 31st December, 2015
VENUE : Chandigarh University, Gharuan, Mohali Punjab.
Science Teachers’ Association Mizoram (STAM) hmalak nain keini Mizo naupangte’n 23rd
National Children’s Science Congress, Chandigarh-a neihah kan State ai kan zuk awh ve
a. Anni hmalakna zarah fan ngailoh ram kan zuk fang a, tin, kan tawn ngailoh leh hriat
ngailoh thil thar tam tak kan zu tawngin kan zu hria a, a lawmawmin a vanneihthlak hle a ni.
MIZORAM AIAWHTUTE CHU :
1. Zothantluanga State Coordinator, JL High School, Aizawl
2. Zochhuanmawia Escort Teacher,Rosebud School, Aizawl
3. Malsawmdawngliani Escort Teacher,Govt. High School, Nghalchawm
4. Lallawmzuala Child Scientist, St. Paul’s HSS, Aizawl
5. Dinai Lalduhsaki Child Scientist, St. Paul’s HSS, Aizawl
6. Remelle Ruth Blessy Child Scientist, St. Paul’s HSS, Aizawl
7. Linny Ramnunsangi Child Scientist, Rosebud School, Aizawl
8. Lalmalsawmi Child Scientist, SS. Memorial School, Aizawl
9. Lalrindiki Child Scientist, Bethel Mission School, Aizawl
10. Lalfakawmi Khiangte Child Scientist, Baptist HSS, Serkawn, Lunglei
11. Tlanghmingliani Aineh Child Scientist, Don Bosco School, Lawngtlai
-Lallawmzuala
St. Paul’s HSS
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Mizoram Science Journal Mizoram Science Journal
- 22 Mizoram Science Journal, January & February, 2016
India ram State tin kan tel thei a, chumai bakah ram pawn a\angin Qatar, VAE leh
Kuwait a\angtein Child Scientists an lo tel thei a ni.
(Chandigarh) pan turin Kalka Mail, AC train
nuam takin Kokalta kan chhuahsan leh ta a
ni. Keini thlawhna leh rela la chuang ngailote
tan chuan thil thar hmuh tur leh hriattur a awm
chamchi reng a, kan hlimin kan nui dar dar
reng mai a ni.
Krismas-ni ni 25 chuan rel chhungah
lungleng tlang takin kan awm ran mai a. Kan
chuanpuite chuan Kristian kan ni tih an han
hriat chuan Krismas chibai te min han buk
lawm lawm hlawm a. Kan chhungte \heuh
chu Krismas chibai te kan han buk a, tichuan,
Krismas chu nilengin relah chuan kan
hmangral ve ta a ni.
CHANDIGARH LAMTLUANG
Ni 24, December, 2015 a ni a, keini
Mizo Kristian te chuan Urlawkni kan tih kan
Chhandamtu piancham lawm tura a mimir an
inbuatsaih mup mup lai chuan keini Child
Scientists pariatte chu min hruaitu zirtirtu
pathumte thlazar hnuaiah zing dar 10 velah
Lengpui Airport lam kan pan a, tlai lam dar
3:20 velah Bethlehem lama rilru dah hman
lek lovin Mizoram kan thlawhchhuahsan ta
vung vung mai a. Tlai lam dar 4:30 velah
Netaji Sobhash Candra Airport International,
Kolkata kan thleng a, chuta \ang chuan taxi-
in Howrah Railway Station lam kan pan leh
a ni. Tichuan, zan dar 7:30 velah kan tum ram
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 23 -
CHANDIGARH CHU LE..
Ni 26 a thleng a, Mizoram lamah
chuan Krismas ruai buatsaih turin fatu turte
an tho \an vel ang tihah chuan zing lam dar 4
velah Chandigarh Railway Station kan thleng
a. Khua a la thimin a vawt khawp mai. Min
rawn lam tur Chandigarh University Bus chu
dar 7 daihah alo thlen dawn avangin zing
khawvawt tak hnuaiah chuan kan bus tur chu
kan lo nghak \hap mai a. Buaina neuh neuh
tawk mahila kan coordinator Sir Tera zarah
registration-te kan han tifel thei a. Kan tihfel
zawh chuan kan riahna hmun tur hostel lamah
chuan bus vekin min han hruai kual leh a. Ni
26 khan programme a awmloh avangin
intihfainan leh University Campus han fan kual
velna hun kan hmang a ni. Tichuan, bus a
rawn thleng a, darkar khat vel kan tlan hnu
chuan kan tum ram, 23rd National Children’s
Science Congress thlenna hmun Chandigarh
University chu kan thleng ta a. Min lo
dawngsawngtute an hawihhawmin an
inbuatsaihna pawh a \ha tih a hriat a, an
chanvo an tihlawhtling hneh hle a. Buaina
neuh neuh awm mahse kan coordinator Sir
Tera zarah registration te kan han tifel thei a.
Kan tihfel zawh chuan kan riahna hmun tur
hostel lamah bus vekin min thlah leh a. Kan
thlenna hostel a nuam em em a, engkim hi an
enkawl ulukin thar pawh a la thar tha em em
a ni. Ni 26 chu programme a awmloh avangin
intihfai nan leh University campus han fan kual
velna hun atan kan hmang a. Chandigarh
University zauzia leh nawmzia chu kan sawi
thiam lo zawk. Kan hawina lam lah a hring
duh vek a, an campus chhung chu a faiin
thlalakna tur lah chu a tam phian a, thla hi
kan la deuh reng mai a ni.
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Mizoram Science Journal Mizoram Science Journal
- 24 Mizoram Science Journal, January & February, 2016
23 rd NATIONAL CHILDREN’S
SCIENCE CONGRESS |AN A NI TA
Ni 27 th December 2015 chu
program \anni a ni a. Chawhma lamah
Cultural parade neih a ni a, chumi zawhah
inauguration program kan hmang leh a.
Minister of Science and Technology, Govt.
of India te, Education Minister of Punjab-te
leh University lam hotute’n thu an sawi a.
Keini Mizote’n a kan chuan em em Kawrchei
leh Vakiria chuan hnamdangte mit a la a ni
chek ang chu, min han hmu chiah chu
thlalakpui tur hi an indawt ta zut mai a. Kan
\uan pawh a muan phah ta zo vek a ni. Kan
zirtirtute’n thlalak an khapte a ngai ta hial nia
maw le!!!
PRESENTATION
Ni 27 chawhnu lam a\ang chuan
Project Presentation first round \an a ni a.
Hemi ni hian Mizo Child Scientists palite’n
presentation kan pe hman a. Presentation hi
room hrang hrangah neih a ni a. Room khatah
judge pathum leh college students pathum
kan slide leh flex lo buaipui tur an awm \heuh
a ni. A tuk ni 28 nilengin 1st round chhunzawm
a ni a. Ni 29th zingah 1st round result an
tichhuak a, Child Scientist 1400 chuang
a\angin mi 32 in 2nd round an lut a, keini zing
a\ang erawh chuan vanduaithlak takin 2nd
round lut kana wm ve ta lo a ni. Ni 29-ah
vek chuan 2nd round neih a ni a.. Presentation
chu zawhfel a ni ta a ni.
NI 30th DECEMBER 2015
Zing lam dar ruk velah khua pawh
ala var chian hma chuan whistle nen min rawn
kaitho hlawm a. State hrang hrangte chu Bus
number min pe \heuva, kan bus chuanna tur
\heuhah kan chuang a, Sukhna Lake lam kan
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 25 -
pan a, chumi dil kam kawngpui zau leh thui
tak maiah chuan India ram State tin a\angin
Child Scientists kalkhawmte chuan a huhovin
Walkathon kan nei a, a ropui ngei mai.
Walkathon kan neih zawh chuan bus vekin
kan tlan leh a. Darkar hnih ai tam mah kan
tlan hnu chuan Anandpur Sahib kan thleng a,
chumi hmunah chuan Virast-e-khalsa an tih,
museum of sikhims kan tlawh a. A hmun a
ropuiin a dangdai a, fan a manhla hle a ni. He
museum bul maiah hian sikh sakhaw pathian
biakna hmun Gurudwara lian tak mai a awm
a, kan va tlawh nghe nghe bawk a. Lunch-te
kan ei zawh hnu chuan kan thlenna hmun
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Mizoram Science Journal Mizoram Science Journal
- 26 Mizoram Science Journal, January & February, 2016
Chandigarh University chu kan pan leh ta a
ni. Kan vak kual nasa bawk a kan chau tlang
hle nghe nghe a ni.
ZAN LAM PROGRAM VE THUNG
Ni 27 zan a\angin cultural program
leh intihhlimna hun eng eng emaw a awm
zantin a. Zan hmasa berah kan zing a\angin
Dinai Lalduhsaki’n Whitney Houston hla a
sa a, hnamdangte’n thiam anti hle aniang,
thlalakpui turin an rawn sawm nghal char char
a, a thikawm \an rum rum alawm le…
Ni 30 zanah kan hnam lam chi hrang
hrang kan entir ve a, hnamdangte’n an
ngaihhlutzia han hriat chuan kan pu leh pute
lo ropuizi kan hrechhuak uarh uarh mai a ni.
Vai \awnga an fiamthu thawh hrethiam mang
hlei lova kan lo nuihpui vak vak laite kha a
ngaihawm \an der mai nia. Music a han rik
chuan kan za cheng zel mai a, zantin chuan
kan lam mup mup zel a, kan khamlo thei hle.
Chuti chuan ni 27-30 zan chu hlim leh zel a,
kan khamlo thei hle, chute chuan ni 27-30
zan chu hlim leh nuam ti takin kan hmang ral
ta a ni.
GOODBYE CHANDIGARH
UNIVERSITY
Ni 31st December, 2015 chawhma
lamah program kharna hun leh lawman semna
hunte kan hmang a, Chawchhunte kan eiawh
hnu chuan 23rd National Children’s Science
Congress chu khamlo tak leh ui tak chungin
a hmawr kan lo bawk ta a ni. Chawhnu lam
dar 4 velah University chu a zun ngaia mittui
farlo chauhvin kan mang\ha ta a ni.
ZORAM LAMTLUANG
Ni 3 ah chuan an lo sawi \hin Victoria
Memorial kan tlawh a. Chawhnu lam chu
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 27 -
bazarna hun atan kan hmang a. Tichuan ni 4
chawhma lam dar 11:30 velah Netaji
subhash Chandra Bose Internation Airport
a\angin Imphal kaltlangin Mizoram lam pan
chuan kan rawn thlawk haw leh a, dar
1:30pm velah Lengpui Airport kan rawn
thleng a ni.
TLANGKAWMNA
A hmasa berin kan zin chhung
zawnga min vengtu leh hriselna \ha tak min
petu kan Pathian hnenah lawmthu awm sela.
Tin, Science lama Indian naupangte’n hma
kan sawn zelna tur atana Children’s Science
Congress buatsaihtu NCSTC, Dept. of
Science & Technology, Govt. of India
chungah lawnthu kan sawi bawk a. Keini
Mizo naupangte pawhin Science lama
thiamna tak tak kan neih theih nana hmalatu
Science Teachers’ Association Mizoram
(STAM) chungah lawmthu kan sawi mawlh
mawlh bawk a ni. Min hruaitute kan zirtirtute
– Sir Tera, Sir Zochhuana leh Miss Ms-i te
an zauvin min hruai lo ta se tuna nuam kan tih
ang hian nuam kan ti kher angem? Tih hi
zawhna lian tak a ni. Anni chungah hian
lawmthu tihtak meuhvin kan sawi a. Kan
State Coordinator, a vai \awng thiam chhun
pawh kan tana a \ulna hmun apianga hmang
zel phal Sir Tera chungah hian kan va lawm
take m! Ani sawi tur hriat tam a zarah
Mizoram pawn ham\hatna tam tak kan neih
phah ngei ka beisei tlat a ni. A tawp berah
chuan kan Principal/Headmaster \heuhte
chungah leh kan guide teachers te chungah
lawmthu sawisen loh kan ba a, anni avang
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Mizoram Science Journal Mizoram Science Journal
- 28 Mizoram Science Journal, January & February, 2016
Reader’s Forum
(Ph. 9856730643;
E-mail : [email protected])
$ Msj i va hlu tak em scienctist te min
hmel hriat tir a science lam hi tih chuah dan
han gaihtuah zel teu.msj vul reg rwh.b-tea.
$ Msj hi a begvar thlak khwp mai
farkwn a Cl-IX Amwia leh Lawma khan
Msj hi ciar ve thin rawh u. -[BA FK]
$ Msj hi van tha tak em, kan hlawkpui
khawp mai. Ka zirlaipui te u inlo chhiar ve
thin dawn nia. - 4rm o-hani(janet)
$ Msj chhiar man awm khwp mai..
Beng a tivarin min fuih phur khwp mai.. A
buaipuitute in ropui e. -Mario Silver.DBS
$ Msj hi ka va hlawkpui em. Lehkha
zir tui nan k hman phah a. Ka knowledge
zau phah khwp mai. Msj cuai hauh suh ag
ce. -nununi renthlei
$ Msj hi tha ka ti ltk, mahse mathematics
leh physic lam class 10 tan a pawimawh hi
rawn tichhuak teh u, kan ram tan vanneih
phah theih hi ka ring tlat . -9774677639
$ Govt Pianghleia high school-a
Masiami Cl-X kha Msj il a a nih chuan dah
tawp lovin chhiar ve tawh rawh. Tun aiin i
knowledge pawh a zau sawt mai ang.
frm Tetei
$ Msj va tha thin tak em, a bikin science
lam a tuizual bik te hian kan hlawkpui
khawp mai. Msj vul reng rawh se. -Govt
zemabawk high school cl-IX Sec-A
$ MSJ hi a va tha thin tak
em..Science la tur tan phei chuan kan
hlawkpui khop mai, a bik takin knowledge
is power phei chu tha tak a ni. vul zel ang
che u. - Abby &frs
chauhva Mizoram aiawh thei kan ni tih hi min
lo hriatsak se kan ti ngawih ngawih a ni.
TA SE…
1. STAM hi awm lo ta se Mizoram hian
Child Scientist tirh chhuah tur kan nei
kher angem?
2. Sir Tera kha kan coordinator nilo ta
se kan zak zum viau angem?
3. Sir Zochhuan kha awmlo ta se kan
\hiannu Diki khan rel tur a nei kher
angem?
4. Miss Ms-i khan hmeichheho kha
awmpuilo ta se an lerh kher angem?
5. Train-a kan chuanpui vaiho ke hnuai
kha ballot a se nuihzat tur kan hre
kher angem?
6. Diki kha lo kal lo ta se kan \hen\hu
reng kher angem?
7. Dinai-i kha zailo ta se thlalakpuitu a
ngha kher angem?
8. Kawrchei kha hmeichheho khan ha
lo ta se hnamdangte’n min ngaisang
kher angem?
9. Building phen kha awmlo ta se Sir
Tera leh Sir Zochhuana te khan zial
zuk rukna tur an nei kher ngem?
-ooOoo-
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 29 -
Science NewsScience NewsScience NewsScience NewsScience News
CHUNG-U CHI KHAT HMUCHHUAK
THAR : A chi mang vek
tawh nia kum 100 lai an
lo ngaih tawh chung-
u@ uþawk chi khat
chu India ram
h m a r c h h a k a h
hmuchhuah thar a ni.
Indian biologist Sathyabhama Das Biju leh a
thawhpuite chuan an beisei loh takin India
ram hmarchhak thingkung sang tak taka awm
\hin chung-u hi an hmuchhuak thar a, a hming
pawh a thar-in an phuah a, a hmuchhuaktu
Mr Biju, Belgium ram Vrije Universiteit,
Brussels-a lehkha a zirlaia a adviser
herpetologist Franky Bossuyt hming chawiin
Frankixalus jerdonii an ti ta a ni.
Hetiang chung-u,
kut zungpui tiat
leng lawng hi
thingkung sang
tak tak feet 20
laia sang thingkawrawngah an khawsa \hin
a, chuvangin hmuh an har em em \hin a, chaw
atan rannung te chi ei lovin hnim hnah an ring
tlat thung a ni.
Mizoram tiamin India ram hmarchhak- ram
ngaw leh lui dungahte hian thil thar
hmuhchhuah tur tam tak a la awm a, kan Mizo
\halai lehkhathiamte hi puipunna leh huau-
huau lam ringawt engto lo hian puanven
sawichhin a, science khawvel luhchilh a hun
tak zet ta e.
ZIKA NATNA HRI LENG MEK! :
Khawthlang lamah thosi seh vanga natna chi
khat Zika a leng mek a, Latin America leh
Caribean thliarkar a thleng tawh a, America
ram Florida leh Illinois-ah pawh hetiang natna
vei an awm tawh thu an sawi a ni.
Brazilah phei chuan nausen piang 4000 lai
an piansual phah tawh a, an lu a te em em
vek a, hetiang natna hi microcephaly an ti a,
US sorkar pawhin he hri hlauhawm hi a len
ngei thu
an puang
a, rai
puar phei
c h u
zinchhuak
tam lo
t u r i n
thurawn
an pe a, he Zika virus danna tur vaccine siam
vat tura hma laknghal an tum thu an sawi
bawk a ni.
Zika virus hi Flaviviridae virus chhungkua
zinga mi niin thosi chi khat Aedes mosquitoes
seh a\ang kaitheih a ni a,1950 vel daih tawh
khan equator ram \henkhatah hmuhchhuah a
lo ni tawh a, tunhnai 2015 vel a\ang khan
hmun hrang hrangah a rawn darh ta a ni.
He natna hi vanduai mangkhawng an sawi
ang deuh nihna lai a nei a, hetiang thosi seh
mi nazawngin Zika natna hi an vei kher lo
va, mi 5 zinga vanduai fal mi 1-in an vei ang
vel a ni a, nu-in a vei chuan a nau pai-in a
tuar a, a lo pian chuan nau piangsual a lo ni
ta \hin a ni.
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Mizoram Science Journal Mizoram Science Journal
- 30 Mizoram Science Journal, January & February, 2016
MSJ tells you why
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Ke kan pen hian engvangin nge kan kal sawn theih le? Newtons Third law kha a telKe kan pen hian engvangin nge kan kal sawn theih le? Newtons Third law kha a telKe kan pen hian engvangin nge kan kal sawn theih le? Newtons Third law kha a telKe kan pen hian engvangin nge kan kal sawn theih le? Newtons Third law kha a telKe kan pen hian engvangin nge kan kal sawn theih le? Newtons Third law kha a tel
ve em? Engvangin nge ke a kal aiin Cycle kan chuanin kan kal chak sawt zawk le?ve em? Engvangin nge ke a kal aiin Cycle kan chuanin kan kal chak sawt zawk le?ve em? Engvangin nge ke a kal aiin Cycle kan chuanin kan kal chak sawt zawk le?ve em? Engvangin nge ke a kal aiin Cycle kan chuanin kan kal chak sawt zawk le?ve em? Engvangin nge ke a kal aiin Cycle kan chuanin kan kal chak sawt zawk le?
Miin ke a kal a nikhata a kal theih let tam tak a thui cycle-in
a thleng thei. He thu hrefiah tur chuan Force chikhat ‘Innawhna
tha’ kan tih mai ‘Friction’ hi kan hriat a \ul dawn a ni.
Friction chu engnge? Thil pakhat aia tam innawt chunga
chetsawn dodalna tha an inkara awm kha Friction chu a ni
mai awm e. ‘Innawhna tha’ kan ti mai bawk.
Kea kan kal khan kan ke khan lei a han phiat a, hnung lam
hawiin tha kan han pe a chu chu Newtons Third law chuan
‘Action’ a ni. Lei chuan innawhna tha Friction a neih avangin
a doletna ‘Reaction’ a rawn siam chhuak ta a, keimahni kha
hmalamah kan che sawn thei ta a ni. Friction chu awm lo se
kan ke kha a tleu dawn a. Chubakah kan tluk loh nan kan
taksa kha hmalamah kan awn hlek a, kan taksa rihna laipui Centre of gravity kha hmalam
hretah kan dah tihna a ni. Centre of gravity dah dik loh chuan kan tlu tawp mai ang. Vawikhat
tha kan pekah khan thui tak kan kal sawn thei lo a. Lei hipna min pawt bettu, rihna ‘Weight’
hi kan nei bawk si a. Kan insawn chak theihlohna tha pahnih friction leh Weight chuan nasa
takin min pawt bet a nih chu.
Chutih laiin lei hipna thain a pawhbehna awm reng tho siin thil virah chuan friction a tlem
avangin a kal chak duh ta em em mai a, Pedal kan han rah khan a lir ta zui zui bik a nih chu.
Tun hma lam chuan Thil vir hi innawhna tha ‘Rolling friction’ an ti \hin a, tunlai hian ‘Friction
pawh a ni ve lo e, ‘Rolling resistance’ (Resistance awmzia chu dodalna tihna a ni)’ an ti leh
ta zawk a. Engpawh nise Sliding friction ai chuan Rolling resistance hi a tlem em zawk a ni.
Thil nam tawlh ai chuan a lum a lum hi a awlsamin tha a hek lo em em tihna nih chu. Ke a kal
chuan sliding friction a hmang a, Cycle a chuan chuan Rolling friction emaw Rolling resistance
chauh kha leiin dodalna a lo pe si a, daltu nei mang loin a kal ta a nih chu. Leihipna chu
zawlah chuan a nasat zawng a inang reng a, kan awmna hmasa leh hnuhnungah khan a
danglam chuan loh avangin nasa takin kan chetsawnna min dal lo a ni. Zawl a nih loh chuan
a danglam nasa a, chhukah a hipna nasa tak chuan Friction tlem te Thilvir chu a hip lum \hin.
Chumi do let zawng a chho zawng a lirh chu a har \alh mai a ni.
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Mizoram Science Journal Mizoram Science Journal
Mizoram Science Journal, January & February, 2016 - 31 -
CROSS - WORD NO. 123CROSS - WORD NO. 123CROSS - WORD NO. 123CROSS - WORD NO. 123CROSS - WORD NO. 123
(I chhanna chu April, 2016 chhungin STAM Office-ah rawn thehlut la, i tihdik vekchuan lawmman i dawng ang. Pakhat aia tam tidik vek in awm chuan thumvawr a niang. Chhanna chu Chanchinbu ami chehthlak emaw, xerox copy emaw, ziak chawpemaw pawhin thehluh theih a ni).
Chhangtu hming : ____________________________
Address : __________________________________
ChhukChhukChhukChhukChhuk
1 Jerusalem kalkawnga an chawi kha
2 Darlawn kawnga khaw pakhat
3 Rest or Motion-a awm rengna
4 Adama fapa
5 Inkhaihhruaina
6 Ramsa, hmul nei leh note pai chi
8 Mei kang
13 A ni lo thleng leh hi
15 Entirna (English)
16 Rul lianpui
17 Ho/Mawlmang (English)
19 Phek/Pan
20 La khawm/Thil dil
23 Man tam/ropui
PheiPheiPheiPheiPhei
1 Mizo silai
4 Chi-a element tel pakhat
7 Bawlhhlawh/Tuitang lo
9 IIT awmna khua
10 Calendar-ah a awm \hin
11 Ri fiak deuh sawina
12 Oil Company
14 Thler/|et
18 Political Party pakhat symbol
21 Naute chaw
22 Kelkang nena inzawm
24 Infiamna chi khat
25 Unit of current
1 2 3 4 5 6
7 8
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10
11 12 13 14 15
16 17
18 19 20
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22 23
24 25
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Mizoram Science Journal Mizoram Science Journal
- 32 Mizoram Science Journal, January & February, 2016
KKKKKeimahnieimahnieimahnieimahnieimahni
F 23rd National Children’s science Congress chu December 27-31, 2015
chhung khan Chandigarh University, Punjab ah neih a ni a, STAM tirhin Child
Scientist 8 leh Escord Teacher 3 an kal a, tluang takin January 4, 2016 khan
Aizawl an lo thleng leh a ni.
NCSC-a kalte puala thingpui inho na January 5, 2016 khan STAM Of-
fice ah neih a ni a. Dr. RK Lallianthanga, Chief Scientific Officer, DST,
Mizoram-in hun min hmanpui a, Certificate leh Medal min sem sak bakah Child
Scientist te fuihna thu a sawi bawk. Dr. RK Lallianthanga chungah STAM-in
lawmthu kan sawi e.
F 103rd ISC kal : Indian Science Congress 103rd na January 3-7, 2016
chhung khan Mysore University, Karnataka ah neih a ni a. STAM tirin Child
Scientist 2 leh Escord Teacher 2 an kal a, tluang takin January 11, 2016 khan
Aizawl an rawng thleng leh e.
F STAM Office Hawn : Kristmas leh Kumthar chawlh hmangin Office
khar a ni a, January 7, 2016-ah hawn leh a ni.
F MSJ : Mizoram Science Journal latu kan pung zel a, a lawmawm kan ti
a, min hlutsak chungah lawmthu kan sawi e. Tin, la mek te pawhin in lak
chhunzawm zel kan beisei a, a man la pe kim lo te khawngainin han pe fel thuai
turin kan ngen che u a, tun kum atangin copy khat man hi Rs 20/- a ni tawh
dawn bawk a, kumkhat atan Rs 200/- a ni e.