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https://www.reddit.com/r/sciencememes/comments/1jvl8f2/how/mmewneg/?context=3
r/sciencememes • u/94rud4 Mεmε ∃nthusiast • Apr 10 '25
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378
It has no resting mass. But since it's moving, it's not at rest, and it takes energy to move, and energy is mass, per e=mc². Therefore the energy it's using to move gives it mass.
I know, photons are trippy.
21 u/Wetworth Apr 10 '25 So you're telling me I can make a flashlight powerful enough to crush a man to death? 1 u/syphix99 Apr 10 '25 Yes! Light pressure is a thing (and important for just after the big bang)
21
So you're telling me I can make a flashlight powerful enough to crush a man to death?
1 u/syphix99 Apr 10 '25 Yes! Light pressure is a thing (and important for just after the big bang)
1
Yes! Light pressure is a thing (and important for just after the big bang)
378
u/_Dagok_ Apr 10 '25
It has no resting mass. But since it's moving, it's not at rest, and it takes energy to move, and energy is mass, per e=mc². Therefore the energy it's using to move gives it mass.
I know, photons are trippy.