Matter to energy, and back again?

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Offline Europan Ocean

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Matter to energy, and back again?
« on: 08/07/2013 10:25:44 »
I know in CERN... we can speed up a particle until it becomes near light speed, but can we bring one to light speed? How does that happen? A proton can become one or more photons? Is it possible to bring it back to a proton or other slow particles? Or is there a point of no return for the proton?
« Last Edit: 09/07/2013 05:28:42 by Europan Ocean »