Physicists used LIGO’s mirrors to approach a quantum limit
A large object has gotten closer to a realm usually reserved for the very small
![scientists working on a LIGO mirror](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/06/061621_EC_LIGO_feat.jpg?fit=1030%2C580&ssl=1)
Scientists quieted the relative movements of the mirrors (one shown) of the Advanced Laser Interferometer Gravitational-Wave Observatory, putting them in a near-quantum state.
Caltech, MIT, LIGO lab