It’s no easy feat to find dark matter, since it's invisible and barely interacts with regular matter. Now the results are in from one of the most comprehensive dark matter experiments ever run, and while the stuff was again a no-show, the study helps scientists zero in on where it might be hiding.
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A five-year experiment is underway in central Italy to determine whether the decay of heavy neutrinos shortly after the Big Bang can explain why the universe is composed mostly of matter and very little antimatter.
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Some theories suggest there could be many more dimensions that we’re unaware of, mostly because they’re imperceptibly tiny. Now researchers have taken the search for extra dimensions down to the nanoscale, using a neutron beam to study gravitational forces more precisely than ever before.
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Antimatter is tricky to store and study, since it will vanish in a burst of energy if it touches regular matter. How can you transport something that will annihilate any physical container you place it in? Now, CERN researchers are planning to trap and truck antimatter from one facility to another.
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Humanity has been on the trail of the elusive and mysterious Majorana fermion since it was first theorized in 1937. Now, researchers think they have manufactured a topological superconductor capable of hosting the particle. If so, this could be an important step towards quantum computing.
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Normally if you push something, it moves away from you, but theoretically objects with negative mass would move towards you instead. Scientists from the University of Rochester have now developed a device that can create particles that exhibit negative mass.
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Physicists have discovered a new form of matter called excitonium. First theorized almost 50 years ago, the Illinois researchers have found a “smoking gun” that they claim is the first definitive proof that excitonium exists.
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Researchers at the University of Sussex have disproved the existence of certain kinds of axions, particles that are a leading candidate for dark matter, and while it may send physicists back to the drawing board, the hunt can be more focused in future.
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Eighty-five percent of all matter is dark matter, a theoretical substance that doesn’t interact with ordinary matter and has so far eluded our best efforts to directly detect it. Now physicists have proposed a new way to find dark matter using a huge tub of helium in a superfluid state.
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Next time you’re untangling your earbuds, remember that knots may have played a crucial part in kickstarting our universe, and without them we wouldn’t live in 3D. That’s the strange story pitched by physicists in a new paper, to help plug a few plot holes in the origin story of the universe.
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