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Inside Canada’s Subterranean Search for Dark Matter, Physics’ Holy Grail

  • sharpmagazinemebronzeAuthor: sharpmagazineme Publish date: Wednesday، 07 October 2020
Inside Canada’s Subterranean Search for Dark Matter, Physics’ Holy Grail
There is a profound hole in the earth near the northern Ontario town of Sudbury — and it just may hold the answer to the greatest mystery in the universe. Shaft No. 9 in Vale’s still-operating century-old Creighton Mine reaches more than two kilometres below the surface of the Canadian Shield, a depth of about four stacked CN Towers. You reach the bottom via the “cage,” an unlit double-decker iron conveyance that carries employees and equipment down through 2,100 metres
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