Popstar Tourist@octonion@tech.lgbt
@KaitlynEthylia@void.lgbt @darkwiiplayer@tech.lgbt Another way of looking at it is that in classical mechanics the dynamics of the system are entirely determined by something called the Hamiltonian. In quantum mechanics the Hamiltonian becomes an operator and the eigenvalues of the operator are energy.
(It's time-translation symmetry of the Hamiltonian that gives rise to conservation of energy. The Hamiltonian of the universe does not have this symmetry, because the Universe is expanding, but locally or for closed systems it's a very, very good approximation.)
Kaitlyn~Ethylia@KaitlynEthylia@void.lgbt
@octonion@tech.lgbt @darkwiiplayer@tech.lgbt These are a lot of words that it will take a lot of googling to figure out but thank you