Another Dark-Matter Search Fails — Shedding Light on the Universe

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Once again, dark matter has failed to turn up where researchers hoped they might find it, reports Live Science.

PandaX — essentially a tank holding 1,280 lbs. (580 kilograms) of liquid xenon beneath the Jinping Mountains of Sichuan, China — is one of the most sensitive dark-matter detectors on the planet. If dark matter is capable of bumping into the matter we can detect, and if dark matter is made up of big, bulky particles called WIMPs (weakly interacting massive particles) as scientists have long assumed, then sooner or later, some of the dark stuff should knock into xenon particles inside PandaX in a way researchers can detect.

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