3 ms·
> it's mass-energy that gravitates, not rest mass. TIL! That's a very fun fact. I never learned that, and I have a physics undergrad! Or I forgot it, which is
by 6gvONxR4sf7o 5y ago
> it's mass-energy that gravitates, not rest mass.
TIL! That's a very fun fact. I never learned that, and I have a physics undergrad! Or I forgot it, which is just as likely this far out.
- wholinator2 5y agoIve been around that too and was never explicitly stated but implied by equations once you can calculate with relativity. I mean, they never even formally introduced us to electron volts, I just figured it out myself cause I assumed I was behind the class.