The Laser Interferometer Gravitational-Wave Observatory, or LIGO, is one of the most powerful scientific equipment for detecting gravitational waves. Covering an area of 16 square kilometers ...
LIGO has two widely-separated 4-km-long interferometers—in Hanford, Washington, and Livingston, Louisiana—that work together ...
The system will be an exact copy of the twin LIGO Observatories, which are located at Hanford, Wash. and Livingston, La. These facilities are operated by the California Institute of Technology and the ...