this post was submitted on 27 Sep 2023
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[–] [email protected] 76 points 1 year ago (22 children)

Antimatter still has a positive mass. It's not some exotic negative mass matter.

[–] 1bluepixel 56 points 1 year ago (1 children)

I'm pretty sure every physicist in existence knows that. It's just a simple principle that's really hard to test, so actually testing it is pretty cool. Like dropping a steel ball and a feather on the Moon.

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