Huge underground search for mysterious darkmatter begins
Scientists are pretty sure the invisible stuff makes up most of the universe's mass and say we wouldn't be here without it—but they don't know what it is. The race to solve this enormous mystery has brought one team to the depths under Lead, South Dakota.
This photo provided by Sanford Underground Research Facility shows the LZ central detector in the clean room at Sanford Underground Research Facility after assembly, before beginning its journey underground in Lead, S.D. Scientists have begun a new search for mysterious dark matter in a former gold mine a mile underground. Dark matter makes up the vast majority of the mass of the universe but scientists don't know what it is.
This photo provided by Sanford Underground Research Facility shows the LZ Outer Detector, used to veto radioactivity that can mimic a dark matter signal in Lead, S.D. Scientists have begun a new search for mysterious dark matter in a former gold mine a mile underground. Dark matter makes up the vast majority of the mass of the universe but scientists don't know what it is.
Xenon is special, explained experiment physics coordinator Aaron Manalaysay, because it allows researchers to see if a collision is with one of its electrons or with its nucleus. If something hits the nucleus, it is more likely to be the dark matter that everyone is looking for, he said.
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Huge underground search for mysterious dark matter beginsLEAD, S.D. (AP) — In a former gold mine a mile underground, inside a titanium tank filled with a rare liquified gas, scientists have begun the search for what so far has been unfindable : dark matter.
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