In 2015, a piece of equipment at an observatory in the US moved one quintillionth (10-18) of a meter. This tiny movement was ...

Squeezed light represents a potentially more cost-effective alternative to increasing the sensitivity of gravitational wave detectors. In an interferometer operated with squeezed light ...

Gravitational ... Laser Interferometer Gravitational-Wave Observatory (LIGO), which works by beaming lasers down two long tunnels, bouncing them off mirrors and measuring how the light returns.

Harvard astronomer Avi Loeb discusses the hypothetical use of highly energetic events as a way to produce "gravitational-wave ...

Einstein's theory of gravity ... (about 30,000 light-years) with a false alarm probability less than 0.05%—and within the range of current gravitational wave interferometers.

In 2015 the Laser Interferometer ... gravitational waves from dozens of mergers between black holes as well as from collisions between stellar remnants called neutron starts. Rather than detecting ...

Gravitational waves ... These detectors rely on interferometry, a method based on the superposition of light waves. A team from the Max Planck Institute for the Science of Light has developed ...

Evidence of gravitational memory, however, continues to elude telescopes. Even the Laser Interferometer ... Gravitational waves interacting with particles of light, or photons, can shift their ...

The Virgo interferometer is an observatory for gravitational waves, set among ... researchers can “squeeze,” or reduce, the uncertainty in the laser light’s properties, reducing quantum ...

The tiny flickers of light that indicate a gravitational wave passing also have to be distinguished from the other flickers that a laser interferometer experiences that can be caused by a range of ...