New ALPHA-g Detector Poised to Search for Signs of Antigravity

Scientists at CERN are racing to fire up a detector that will explore the effects of gravity on antimatter—before the whole facility shuts down for two years

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The ALPHA-g detector
The ALPHA-g detector, built at Canada’s particle accelerator facility, TRIUMF, is the first of its kind designed to measure the effect of gravity on antimatter.
Photo: Stu Shepherd/TRIUMF