Comment on Traveling back in time could be possibleComments−pfarnsworth8yI don’t see how time travel doesn’t violate the law of conservation of energy or conservation of mass. That seems pretty fundamental to me, so it would require converting an extremely large amount of energy into the mass that is going back in time.−Gravityloss8yWhat if you can only send and receive information?
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I don’t see how time travel doesn’t violate the law of conservation of energy or conservation of mass. That seems pretty fundamental to me, so it would require converting an extremely large amount of energy into the mass that is going back in time.
What if you can only send and receive information?