Spacetime

When a gravitational wave passes through Earth, it causes space itself to stretch in one direction and compress in the other, so the two “arms” of the detector actually grow and shrink by tiny amounts. This means each beam of light travels…

November 22, 2022 feature…

Credit: Rice University The complex aerodynamics around a moving car and its tires are hard to see, but not for some mechanical engineers.…

The first detection of gravitational waves in 2016 provided decisive confirmation of Einstein’s general theory of relativity. But another astounding prediction remains unconfirmed: According to general relativity, every gravitational wave…