News for hackers. Stuff that matters.

A comment on Alcubierre drive. Parent comment

Re:Alcubierre drive by JumpCrisscross on Monday August 13, 2018 @09:50AM (#17750034)
> all the interesting spacetimes (such as the Alcubierre drive) require exotic matter

Does it have to be matter? Or could we coax the vacuum into behaving as if it were occupied by exotic matter?

[ Parent | on HN ]
Re:Alcubierre drive by ailideex on Monday August 13, 2018 @11:31AM (#17750839)
Matter is just excitation in the vacuum. But excitation with positive energy. What is needed is excitation with negative energy.
[ Parent | on HN ]