The mysterious particles of physics, part 2
Dark matter's dark secrets. As the Large Hadron Collider restarts at the CERN physics lab, Roland Pease goes deep underground to find the stuff that makes 90% of all matter
Episode 2: Lost in the Dark
Physics is getting a good understanding of atoms, but embarrassingly they鈥檙e only a minor part of the Universe. Far more of it is made of something heavy and dark, so-called dark matter. The scientists who discovered the Higgs boson ten years ago thought they鈥檇 also create dark matter in the underground atom smasher at CERN. But they haven鈥檛 seen it yet. Roland Pease joins them as they redouble their efforts at the upgraded Large Hadron Collider, and travels to Boulby Underground Laboratory inside Britain's deepest mine, where subterranean telescopes hope to see dark matter streaming through the Galaxy.
Image: CMS Beampipe removal LS2 2019 (Credit: Maximilien Brice/CERN)
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