A major physics experiment has uncovered evidence for a strange new form of matter, where a fleeting particle gets trapped inside a nucleus. This exotic state may reveal how mass is generated, suggesting that particles can weigh less when surrounded by dense …
Everything around us has mass, but its origin is still one of physics' biggest unanswered questions. According to modern theories, mass does not simply come from matter itself. Instead, it is tied to… [+4252 chars]