I don't think anybody was surprised but yesterday the journal Nature
reported that for the first time it has been experimentally demonstrated
that antimatter particles fall down and not up just like particles made of
normal matter. It took an amazing amount of skill for experimenters to do
this. It remains a mystery why there's so much more matter than antimatter
in the universe.

Observation of the effect of gravity on the motion of antimatter
<https://www.nature.com/articles/s41586-023-06527-1>

John K Clark    See what's on my new list at  Extropolis
<https://groups.google.com/g/extropolis>
9hq

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