One of the funny rules of quantum mechanics in nature is that it isn’t just particles of light that act as waves, but any particles at all, including composite particles like protons and indivisible ones like (so far) the electron has provn to be.
One of the funny rules of quantum mechanics in nature is that it isn’t just particles of light that act as waves, but any particles at all, including composite particles like protons and indivisible ones like (so far) the electron has provn to be.