K3bert

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Wednesday, April 4, 2007

Attosecond?

While trying to satisfy my quench for quantum physics, I came across an article discussing an attosecond. Curios? I was. Here are some definitions:
  1. 1 attosecond is the amount of time it takes for light to travel the length of 3 hydrogen atoms (wow, that's fast)
  2. 1 attosecond - estimated time it takes for an atomic nucleus to recoil (errr...hmmmm...ok)
  3. about 200 attoseconds – half-life of beryllium-8, maximum time available for the triple-alpha process for the synthesis of carbon and heavier elements in stars (ahhh....haaaa...it all makes sense now)
In other words, 10^-18 seconds...or 0.000000000000000001 seconds. That's one billionth of one billionth of a second if you do not feel like counting all the 0's.

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