Can matter be created from energy?
22168
What keeps mass from turning into energy?
2377
Is the total energy of the universe zero?
119217
If particles are points, then aren't atoms empty space?
49514
Do we have a better understanding of what energy is since Feynman's time?
136839
Is there a known isotope that generates anti-matter?
88577
How is light produced?
14810
Creation of entangled electrons
14054
Do composite particles that are electrically neutral but have charged constituents radiate?
108081
Is there some special case where a fermion can mediate a force?
14615
Can electricity flow through vacuum?
119004
Proof of conservation of energy?
115200
Why does energy have to be emitted in quanta?
119336
Zero energy universe
136949
Can a black hole be formed by electromagnetic radiation?
26354
Is anti-matter matter going backwards in time?
17619
How does rest mass become energy?
70682
Mechanism of pair production and annihilation of matter