3 ms·
> Why did they think it would have negative gravitational attraction? They didn't. There are very strong theoretical reasons (among them, CPT symmetry) to expe
by nyssos 3y ago
> Why did they think it would have negative gravitational attraction?
They didn't. There are very strong theoretical reasons (among them, CPT symmetry) to expect antimatter to gravitate normally. But it's still good to actually check.