Multimedia Gallery - The LIGO Livingston Observatory in Louisiana aims to detect gravitational waves. | NSF - National Science Foundation
LIGO and Virgo announce four new gravitational-wave detections | MIT News | Massachusetts Institute of Technology
Gravitational-wave observatory - Wikipedia
G Z The LIGO gravitational wave detector consists of two observatories »LIGO Hanford Observatory – 2 interferometers (4 km long arms and 2 km. - ppt download
News | Gravitational waves from a binary black hole merger observed by LIGO and Virgo | LIGO Lab | Caltech