Our antimatter collection just got even heavier as researchers documented the heaviest antimatter version of an atomic nucleus yet, called antihyperhydrogen-4.
“I wasn’t 100% sure I’d find it, but I knew there was a chance,” he said. Hao Qiu He and his colleagues at the China Institute of Modern Physics, an international team called the STAR Collaboration, have discovered a new type of antimatter…
Source: www.newscientist.com