Ruth\'s \"real\" possibilities (General)

by David Turell @, Wednesday, July 31, 2013, 15:58 (4131 days ago) @ rekastner

rek: Creation and destruction takes place at the relativistic level. So no, individual quanta certainly are not eternal; they are created and destroyed. For example, photons are created in the sun and destroyed at the earth (e.g., absorbed by a leaf). -As much as I read I get confused, and forgot about absorption.-Yet photons can be very long-lived:-
http://www.huffingtonpost.com/2013/07/30/photons-last-quintillion-years-light-particles_n_3677220.html


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