One of the world’s largest lasers can detect alien warp drives

Scientists have proposed another use for the world’s largest gravitational wave observatory: scanning for ripples in space-time in the wake of giant alien spacecraft.

Gravitational waves ripple when objects with mass move through space. Larger objects – such as planets, neutron stars or black holes – generate more prominent gravitational waves. These space-time ripples were first observed directly in 2015, but since then, scientists have been getting better at observing the ripples as they lap across our cosmic shores.

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