Where do ultrahigh-energy particles come from?
52558
Where do ultra-high-energy cosmic rays come from?
91190
How are the protons for collisions in the LHC made?
40542
From where electrons flow to make a bulb light?
78916
Particles entangled after the big bang
88577
How is light produced?
89724
Where does mass come from in pair production?
82927
What is "pure energy" in matter-antimatter annihilation made of?
76637
Why aren't particles constantly "measured" by the whole universe?
151039
Why are there no elementary charged, spin-zero particles?
148864
The concept of Fermi level
149331
With what probability does nuclear fusion occur at energies far below the Coulomb barrier?
46306
Where does de Broglie wavelength $\lambda=h/p$ for massive particles come from?
5891
Where does gravitational waves' energy go?
37227
Spontaneous pair production?
14054
Do composite particles that are electrically neutral but have charged constituents radiate?
79842
Why do accelerating electrons emit radiation?
115378
Is it possible to generate electric energy from the radiation of radioactive materials