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ISS Crew Repairs $2 Billion Dark Matter Detector

by Ryan Whitwam

A decade ago, NASA, CERN, and dozens of other institutions banded together to build the Alpha Magnetic Spectrometer (AMS) at a cost of $2 billion. This advanced instrument has helped scientists study dark matter from its perch on the International Space Station, but components have started failing in recent years. The AMS was never intended to be serviceable, but…

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