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- Mon Nov 29, 2010 3:22 am
- Forum: Classroom: Extraordinary Concepts in Physics
- Topic: Negative Mass
- Replies: 5
- Views: 54021
Re: Negative Mass
I think that since gravitons need to be able to travel FTL to escape a black hole (or, more generally, an event horizon), they possess "imaginary mass" as mentioned briefly in the lecture.