Scientists imagine virtual particles popping in and out of existence to explain how forces transfer between particles. koto_feja/iStock via Getty Images A clever mathematical tool known as virtual ...

Add Yahoo as a preferred source to see more of our stories on Google. A clever mathematical tool known as virtual particles unlocks the strange and mysterious inner workings of subatomic particles.

Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter. For scientists, that has long posed a problem: According to physicists’ best current ...