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CERN researchers took a few antimatter particles for a walk in an unprecedented transportation test

In a groundbreaking experiment, researchers at CERN successfully measured the gravitational behavior of antimatter for the first time, confirming that antihydrogen atoms fall under gravity in a manner consistent with normal matter. This experiment, detailed in a study published in Nature, involved the ALPHA collaboration at CERN's Antimatter Factory, where scientists observed the fall of antihydrogen atoms over a distance of about 20 inches. The results, which showed antihydrogen falling at a rate indistinguishable from that of regular hydrogen, support the weak equivalence principle of general relativity, suggesting that gravity affects matter and antimatter similarly. This finding is crucial as it helps to narrow down theories about the nature of antimatter and its interaction with gravity, potentially shedding light on why the universe is dominated by matter.

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[ https://www.techspot.com/news/108031-cern-researchers-took-few-antimatter-particles-walk-unprecedented.html ]