Why is there a mass defect in nuclear fusion?
60172
How to explain $E=mc^2$ mass defect in fission/fusion?
114917
Why is dark matter the best theory available to explain missing mass problems?
156098
Fusion: Why deuterium and tritium?
54174
Conversion of mass to energy in chemical/nuclear reactions
104358
Why do only heavy radioactive elements perform fission?
78151
How did Rutherford conclude that most of the mass (as well as the positive charge) was concentrated in the nucleus?
85286
Nuclear Binding energy
8241
Why doesn't the deuterium nucleus have spin $0$?
72741
Nuclear-transition laser
87000
The temperature in space is about 3K, however there are almost no atoms in space. How can there be residual heat?
138012
Why do neutrinos propagate in a mass eigenstate?
43853
What causes damage, kinetic energy or momentum?
146897
How does the Higgs field enable masses to attract each other?
77786
Fusion vs. Fission
110266
Quarks in a hadron: where does the mass come from?
15338
Why is the centre of mass displaced even when external force is 0?
51584
Why is the density of a BEC so low?