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Atoms

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

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Atoms

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  1. Atoms Impact on the world

  2. How do you know atoms exist? • Resolution: 0.1 nm lateral, 0.01 nm depth • Scanning Tunnelling microscope • Iron atoms on copper surface

  3. How do you know atoms exist?

  4. 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

  5. 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

  6. Famous examples of reactions at atomic level • Nuclear fission

  7. Famous examples of reactions at atomic level • Nuclear fusion

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