Protons are particles that exist in the nucleus of all atoms, with their number defining the elements themselves. Protons, however, are not fundamental particles. Rather, they are composite particles ...

Almost anything is possible — at least for a subatomic particle. One of the many mystifying consequences of quantum mechanics — the rules that govern the behavior of tiny subatomic particles — is that ...

Dipangkar Dutta receives funding from US Dept. of Energy and NSF. A clever mathematical tool known as virtual particles unlocks the strange and mysterious inner workings of subatomic particles. What ...