Beyond General Relativity

EnolaStraight · December 25, 2025, 3:16am

Exapno_Mapcase:

In a paper published today in Nature, the ALPHA collaboration at CERN’s Antimatter Factory shows that, within the precision of their experiment, atoms of antihydrogen – a positron orbiting an antiproton – fall to Earth in the same way as their matter equivalents.

Looks like I finally have a definitive answer to an old question of mine.

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Beyond General Relativity

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