Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth...

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Atoms Impact on the world

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Transcript of Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth...

Page 1: Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth Scanning Tunnelling microscope Iron atoms on copper.

Atoms

Impact on the world

Page 2: Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth Scanning Tunnelling microscope Iron atoms on copper.

How do you know atoms exist?

• Resolution: 0.1 nm lateral, 0.01 nm depth• Scanning Tunnelling microscope• Iron atoms on copper surface

Page 3: Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth Scanning Tunnelling microscope Iron atoms on copper.

How do you know atoms exist?

Page 4: Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth Scanning Tunnelling microscope Iron atoms on copper.

Famous examples of reactions at atomic level

• Atomic bomb• North Korea tested a bomb on 12 Feb 2013;

devastation similar to nuclear bomb in Hiroshima in WWII

Page 5: Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth Scanning Tunnelling microscope Iron atoms on copper.

Famous examples of reactions at atomic level

• Fukushima Daiichi nuclear disaster 11 Mar 2011• Nuclear meltdown at power plant due to

earthquake and tsunami

• http://www.youtube.com/watch?v=D91T-B-PVE0

Page 6: Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth Scanning Tunnelling microscope Iron atoms on copper.

Famous examples of reactions at atomic level

• Nuclear fission

Page 7: Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth Scanning Tunnelling microscope Iron atoms on copper.

Famous examples of reactions at atomic level

• Nuclear fusion

Page 8: Atoms Impact on the world. How do you know atoms exist? Resolution: 0.1 nm lateral, 0.01 nm depth Scanning Tunnelling microscope Iron atoms on copper.

TUNNELLING SOLUTIONS

TUNNELLING SOLUTIONS

Geotechnics, Tunnelling

Geotechnics, Tunnelling

Tunnelling & underground design (Topic5-hard & weak rock tunnelling)

Tunnelling & underground design (Topic5-hard & weak rock tunnelling)

Urban Tunnelling: Constraints and Challenges - AFTES 2012-2013/2... · Urban Tunnelling: Constraints and Challenges ... (Kovari & Ramoni, 2004): ... Checking for Tunnelling-Induced

Urban Tunnelling: Constraints and Challenges - AFTES 2012-2013/2... · Urban Tunnelling: Constraints and Challenges ... (Kovari & Ramoni, 2004): ... Checking for Tunnelling-Induced

Civil Tunnelling

Civil Tunnelling

The International Journal for the Tunnelling Industry ... · The International Journal for the Tunnelling Industry. ... Tunnelling Journal’s editorial plan ... World Tunnelling’s

The International Journal for the Tunnelling Industry ... · The International Journal for the Tunnelling Industry. ... Tunnelling Journal’s editorial plan ... World Tunnelling’s

10 m 1 m 0.1 m 1 cm 1 mm 100 µm 10 µm 1 µm 100 nm 10 nm 1 nm 0.1 nm Atoms Small molecules Lipids Proteins Ribosomes Viruses Smallest bacteria Mitochondrion.

10 m 1 m 0.1 m 1 cm 1 mm 100 µm 10 µm 1 µm 100 nm 10 nm 1 nm 0.1 nm Atoms Small molecules Lipids Proteins Ribosomes Viruses Smallest bacteria Mitochondrion.

Tunnelling underground space MSc Tunnelling & Underground Space Sustainability in tunnelling.

Tunnelling underground space MSc Tunnelling & Underground Space Sustainability in tunnelling.

Tunnelling & underground design (Topic1-introduction to the tunnelling industry)

Tunnelling & underground design (Topic1-introduction to the tunnelling industry)

248-nm Laser Photolysis of CHBr3/O-atom Mixtures: Kinetic ... · time in 248-nm pulsed laser photolysis of a trace amount of CHBr3 vapor in an excess of O-atoms. O-atoms were produced

248-nm Laser Photolysis of CHBr3/O-atom Mixtures: Kinetic ... · time in 248-nm pulsed laser photolysis of a trace amount of CHBr3 vapor in an excess of O-atoms. O-atoms were produced

Tunnelling underground space MSc Tunnelling & Underground Space Ecology and archaeology.

Tunnelling underground space MSc Tunnelling & Underground Space Ecology and archaeology.

Lecture Tunnelling

Lecture Tunnelling

EOSC 547: Tunnelling & Underground Design · PDF fileEOSC 547: Tunnelling & Underground Design Topic 5: 1 of 34 Tunnelling Grad Class ... tunnelling is the recognition that the main

EOSC 547: Tunnelling & Underground Design · PDF fileEOSC 547: Tunnelling & Underground Design Topic 5: 1 of 34 Tunnelling Grad Class ... tunnelling is the recognition that the main

Keldysh Tunnelling

Keldysh Tunnelling

Urban Tunnelling: Constraints and Challenges 2011-2012... · Urban Tunnelling: Constraints and Challenges ... (Kovari & Ramoni, 2004): ... Checking for Tunnelling-Induced Damages

Urban Tunnelling: Constraints and Challenges 2011-2012... · Urban Tunnelling: Constraints and Challenges ... (Kovari & Ramoni, 2004): ... Checking for Tunnelling-Induced Damages

EOSC 547: Tunnelling & Underground Design · PDF file1 EOSC 547: Tunnelling & Underground Design Topic 4: 1 of 40 Tunnelling Grad Class (2012) Dr. Erik Eberhardt Hard Rock Tunnelling

EOSC 547: Tunnelling & Underground Design · PDF file1 EOSC 547: Tunnelling & Underground Design Topic 4: 1 of 40 Tunnelling Grad Class (2012) Dr. Erik Eberhardt Hard Rock Tunnelling

Tunnelling Fem

Tunnelling Fem

Tunnelling underground space MSc Tunnelling & Underground Space Waste.

Tunnelling underground space MSc Tunnelling & Underground Space Waste.

MSc Tunnelling and Engineering - University of Warwick · Engineering MSc Tunnelling and Underground Space MSc Tunnelling and ... Finite element methods for tunnelling, Rock mechanics,

MSc Tunnelling and Engineering - University of Warwick · Engineering MSc Tunnelling and Underground Space MSc Tunnelling and ... Finite element methods for tunnelling, Rock mechanics,

Fig. 6-2 10 m 1 m 0.1 m 1 cm 1 mm 100 µm 10 µm 1 µm 100 nm 10 nm 1 nm 0.1 nm Atoms Small molecules Lipids Proteins Ribosomes Viruses Smallest bacteria.

Fig. 6-2 10 m 1 m 0.1 m 1 cm 1 mm 100 µm 10 µm 1 µm 100 nm 10 nm 1 nm 0.1 nm Atoms Small molecules Lipids Proteins Ribosomes Viruses Smallest bacteria.