Fosforescencia: Pi day: Celebrate pi by eating pies - 14 March 2011

phos·pho·res·cence (f s f -r s ns). Persistent emission of light following exposure to and removal of incident radiation. Emission of light without burning or by very slow burning without appreciable heat, as from the slow oxidation of phosphorous
Phosphorescence is a fluorescence that persists after the bombarding radiation has ceased.
The emission of light by a substance as a result of having absorbed energy from a form of electromagnetic radiation.
So this technique we will use the rules of quantum mechanics to match the available energy states and allowed transitions to trap the light and then release slowly this photons through our brain cells stimulating positively
http://en.wikipedia.org/wiki/Phosphorescence

Fosforescencia

Tuesday, September 13, 2011

Pi day: Celebrate pi by eating pies - 14 March 2011 - New Scientist

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