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Originally Posted by ABC Science / By science reporter Belinda Smith, 28 Sept 2023
In the first direct measurement of antimatter's behaviour under Earth's gravity, physicists at CERN's Antimatter Factory made, corralled and dropped the antimatter version of hydrogen atoms in a tube.
Turns out they fall a lot like plain old ordinary hydrogen atoms.
Antiparticles are almost identical to their ordinary particle "twins". They have the same mass, but carry the opposite charge.
For instance, an electron has a negative charge, while its antimatter sibling — called a positron — is positively charged.
The CERN experiment, called ALPHA-g, is one of many ways physicists are probing antimatter's properties and searching for any deviations from ordinary matter.
The reason? To discover the fate of a whole lot of missing antimatter.
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Full story at ABC here :-
https://www.abc.net.au/news/science/...sics/102900592
