3 ms·
Antimatter has positive mass. Negative mass is a hypothetical construct that does not appear to exist.
by scentoni 10y ago
Antimatter has positive mass. Negative mass is a hypothetical construct that does not appear to exist.
- runeks 10y agoCan you point me in the direction of the empirical evidence from which you conclude this?
- TheOtherHobbes 10y agoThe experiments to settle this are still being designed. But one of the most recent found no evidence for negative gravity up to a non-definitive but suggestive level of accuracy: http://alpha.web.cern.ch/node/248 http://alpha.web.cern.ch/node/248