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MIT's DIY muon detector sniffs out cosmic particles
Scientists at MIT have designed a pocket-sized muon detector that can be easily made with common electrical parts, meaning anyone can kit themselves out with legitimately-functional Ghostbusters-esque gear for less than $100. The device detects the charged particles -- muons -- that come from the high-energy cosmic rays blasted from supernovae beyond the solar system. These particles last only a fraction of a second but can be found in every layer of the planet's atmosphere, with some even penetrating the Earth's surface and burrowing into rock and ice.
