Gravity treats matter and antimatter the same way

[John Clark]

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

John K Clark    See what's on my new list at  Extropolis

9hq

[Michael Luder-Rosefield]

>  It remains a mystery why there's so much more matter than antimatter in the universe.

 

Time for a trite, unthought-out, and already-considered-by-everyone idea:

Analogous to how the quantum foam produces particle pairs, some of which occasionally get split by asymmetric background stuff before they would have re-merged and evaporated, what if the universe is mostly unbiased but sometimes bubbles form and split off with matter/anti-matter weightings? These would be the big-bang-universes-within-a-multiverse type of thing. If we need yet more statistical massaging, it could get anthropic with only these kind of universes supporting complexity and life....

Michael

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Dammit babies, you've got to be kind.

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[spudb...@aol.com]

Conclusion? Lots of physicists and astronomers need a bigger budget. I'd throw in for med research, LLM's and QC as well. 

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