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Physics

Inside the hunt for the universe's missing ingredient – dark matter

By Leah Crane

14 November 2018

particle detector

Research engineer Nick Force works on ADMX’s largest magnet, which produces a magnetic field 150,000 times stronger than Earth’s

Tony Luong/www.tonyluong.com

NO, THIS isn’t a boiler room. This humble-looking machine in Seattle is searching for the universe’s missing ingredient: dark matter.

Dark matter is thought to account for 85 per cent of all the matter in the universe, but we don’t know what it is made of. The hunt for the front runners to explain its effects — weakly interacting massive particles (WIMPs) — has come up empty so far. So some physicists are searching for axions, a different…

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