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
How do you know atoms exist?
• Resolution: 0.1 nm lateral, 0.01 nm depth• Scanning Tunnelling microscope• Iron atoms on copper surface
How do you know atoms exist?
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
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
Famous examples of reactions at atomic level
• Nuclear fission
Famous examples of reactions at atomic level
• Nuclear fusion
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