Zero energy universe does not make sense
2377
Is the total energy of the universe zero?
27820
What's wrong with this experiment showing that either FTL communication is possible or complementarity doesn't hold?
63385
Why do philosophical discussions of the teleportation paradox seem to ignore the physics involved?
73935
Why the temperature is getting lower when the universe is expanding
3644
Symmetrical twin paradox in a closed universe
113659
Why was the universe in an extraordinarily low-entropy state right after the big bang?
58462
Impossibility of time travel due to energy conservation?
28488
I am confused about the idea that the speed of light is independent of the speed of the source of light
54636
Dark Energy / Accelerating universe: naive question
46739
Dark Energy saving the world
27547
How energy curves spacetime?
41889
Why is the $S_{z} =0$ state forbidden for photons?
95295
Is the Universe Past-Eternal?
75058
Why isn't an infinite, flat, nonexpanding universe filled with a uniform matter distribution a solution to Einstein's equation?
25747
Wouldn't the thermodynamic cost of creating alternate universes make the Many Worlds interpretation implausible?
76637
Why aren't particles constantly "measured" by the whole universe?
15558
Zero probability and impossibility