Antimatter falls down, not up: CERN experiment confirms theory

https://lemmy.world/post/5836349

Antimatter falls down, not up: CERN experiment confirms theory - Lemmy.world

So then it is not really antimatter in the sense that it is completely opposite?

So antimatter still has a positive mass?

Duh. Negative mass doesn’t exist. Antiparticles just have an opposite charge.