A New Addition to the International Space Station

The AMS can detect and sort hundreds of billions of high-energy particles whizzing through space


The Alpha Magnetic Spectrometer


Championed by the Nobel Prize-winning physicist Samuel Ting of MIT, the instrument, which weighs more than three Hummer H3s, almost didn’t make it off the ground. The Columbia shuttle disaster in 2003 left its future uncertain, but Ting managed to keep it alive. Scientists are still working through early data: “You have to check your results very carefully,” Ting says. But expect initial findings to be announced any minute now.

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