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Strange gravitational wave echoes may let us probe dark matter

27 January 2022

When gravitational waves pass over massive objects, they should create an echo that could allow us to examine objects that we can’t otherwise see, including dark matter
A visualization of a supercomputer simulation of merging black holes sending out gravitational waves

Dark matter could be produced by twisted gravitational waves

9 February 2018

If gravitational waves – ripples in space time – have a handedness, primordial particles could interact with them to form a dark matter superfluid that spreads through the cosmos

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