Physicists have created what they say is the first device that’s capable of generating particles that behave as if they have negative mass.
The device generates a strange particle that’s half-light/half-matter, and as if that isn’t cool enough, it could also be the foundation for a new kind of laser that could operate on far less energy than current technologies.
This builds on recent theoretical work on the behaviour of something called a polariton, which appears to behave as if it has negative mass – a mind-blowing property that sees objects move towards the force pushing it, instead of being pushed away.
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