How do you know it's the same photon, though, instead of a different one with the same wavelength? :D
A photon that took 8.3 minutes to get from the sun's surface to your retina may have spent 100,000 years inside the sun first. #anticlimaxhttps://twitter.com/bgreene/status/841137686496890881 …
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I feel terrible for a photon that struggles for 100,000 years just to get wrecked by my SPF 50 sunscreen.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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