The Meganeura, which existed on Earth some 300 million years ago,
All physical processes, including radioactive decay, slow down for bodies at high speeds. This phenomenon is known as time dilation, or to be
Empty space will produce electrons and positrons if subjected to a sufficiently strong electrical force. This manifests itself as gamma-ray radiation which
Morton Spears’ calculations on the relative sizes of neutrons, protons and electrons leave us with two separate ways to describe the size of particles.