Antimatter: What is it? Something exotic and not real? Photograph of Paul Dirac and its negative: Dirac-AntiDirac. Everything which surrounds us is made of matter. But what is antimatter? How did this concept come about? To answer these questions we should go back in time to the 1930s.In 1928 the British physicist Paul Dirac formulated a theory  … Leggi tutto Antimatter