Nanotechnology Technology of the Future. Major Aspects of Nanotechnology What is it? How did it come...
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Transcript of Nanotechnology Technology of the Future. Major Aspects of Nanotechnology What is it? How did it come...
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NanotechnologyNanotechnology
Technology of the Future
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Major Aspects of NanotechnologyMajor Aspects of Nanotechnology
•What is it?
•How did it come about?
•What are the social implications?
•What does this mean for the future?
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DefinitionsDefinitions
• Nanotechnology - Deals with moleculues between one and one hundred nanometers in diameter. Manipulating individual atoms and manufacturing from the bottom up.
• Nano means one billionth.
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Major Aspects of NanotechnologyMajor Aspects of Nanotechnology
•What is it?
•How did it come about?
•What are the social implications?
•What does this mean for the future?
![Page 5: Nanotechnology Technology of the Future. Major Aspects of Nanotechnology What is it? How did it come about? What are the social implications? What does.](https://reader036.fdocuments.in/reader036/viewer/2022062421/56649da25503460f94a8e8ca/html5/thumbnails/5.jpg)
History of Nanotechnology
• E = mc2
• Atomic bomb
• Biotechnology/Genetic Engineering
• Quantum Physics
• Nanophase materials
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Nanotechnology Past and PresentNanotechnology Past and Present(A) a hand holding a computer chip.
(B) computer chip
(C) living cell placed on the chip
(D) two nanocomputers beside the cell.
(E) shows an irregular protein from the cell on the lower right, and a cylindrical gear made by molecular manufacturing at top left.
(F) shows two atoms in the protein,
(G) reveals the nucleus of the atom as a tiny speck.
Below: 35 xenon atoms spell out a familiar logo
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A demonstration on the A demonstration on the molecular levelmolecular level
A nano-motor manipulated by two laser beams
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Major Aspects of NanotechnologyMajor Aspects of Nanotechnology
•What is it?
•How did it come about?
•What are the social implications?
•What does this mean for the future?
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Positive Effects on SocietyPositive Effects on Society
Above: Nanomachines could allow for cleaner energy production
Right: Nanomachines in the blood stream patrolling for viruses
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Positive Effects on Society Positive Effects on Society (Medical Applications)(Medical Applications)
Nanomachines could travel through the bloodstream
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Negative Effects on SocietyNegative Effects on Society
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Major Aspects of NanotechnologyMajor Aspects of Nanotechnology
•What is it?
•How did it come about?
•What are the social implications?
•What does this mean for the future?
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The Future with NanotechnologyThe Future with Nanotechnology
Left: A nano-gear
Right: A nano-universal-joint
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The Future with NanotechnologyThe Future with Nanotechnology
Above: A nano-bearing
Right: A “nano-factory”
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If it falls into the wrong handsIf it falls into the wrong hands
Genocide and ethnic cleansing (pictures from Kosovo)
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Some Final ThoughtsSome Final Thoughts
• Still a young science, but could take off at any time
• Presents wonderful opportunities
• Presents terrible opportunities
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ReferencesReferencesCalvin - http://www.foresight.org/UTF/Unbound_LBW/chapt_1.htmlScale drawing - http://www.foresight.org/UTF/Unbound_LBW/chapt_2.htmlIBM Atoms - Courtesy of IBM Research Division http://www.foresight.org/UTF/Unbound_LBW/chapt_4.htmlNanofactory - http://www.foresight.org/UTF/Unbound_LBW/chapt_3.htmlGraphite/Diamond - http://www.foresight.org/UTF/Unbound_LBW/chapt_3.htmlEnvironment - http://www.foresight.org/UTF/Unbound_LBW/chapt_9.htmlPatrollers - http://www.foresight.org/UTF/Unbound_LBW/chapt_10.htmlMike's Fav. Pic - http://nano.xerox.com/nano/Nanogear - http://www.nano-technology.com/nanozine/nanogear.htmMystery - http://www.nano-technology.com/nanozine/nanogear.htmBlood video - http://www.ccs.ornl.gov/vizlab/nano.htmlBlood still - http://nano.xerox.com/nanotech/nano4/tuzun/paper2/fig1paper2.jpgNanomotor video/still - http://www.ccs.ornl.gov/vizlab/nano.htmlGarbled molecules - http://www.wadsworth.org/albcon97/abstract/guo.htmIBM Radio - http://www.campus.bt.com/CampusWorld/pub/ScienceNet/soundofsci/solutions/nano.htmlBearing - http://nano.xerox.com/nanotech/compNano.htmlDebate - http://www.lysator.liu.se/lsff/confuse96/Nanotechnology.htmlYugoslavia - http://www.gov.yu/terrorism/index.htmlKosovo - http://www.cnn.com