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Atoms Impact on the world

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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

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