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One of the Universe's most common particles has left physicists completely stumped. The proton, a fundamental constituent of the atomic nucleus, seems to be smaller than thought. And...
No one has observed any evidence for proton decay. That might be disappointing professionally for physicists, but it's good news for the universe. If it turns out to be possible, proton...
On macroscopic scales, we can use the force of gravity to help us determine mass. But on microscopic scales, other forces typically dominate. Nanoscopic mechanical resonators, which...