Gravitational Wave Detectors

Gravitational wave detectors are instruments designed to measure the tiny ripples in the fabric of spacetime caused by the acceleration of massive objects, such as black holes or neutron stars. These detectors use laser interferometry to measure the minute changes in distance between two mirrors caused by the passing of a gravitational wave. The first detection of gravitational waves was made in 2015 by the Laser Interferometer Gravitational-Wave Observatory (LIGO) in the United States. Since then, other detectors such as Virgo in Italy and KAGRA in Japan have also detected gravitational waves. These detectors are important tools for studying the universe and testing Einstein's theory of general relativity.
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