Fourth gravitational wave signal detected – Five things you need to know
The latest observation was made on August 14, 2017. It's the first gravitational wave signal recorded by the Virgo detector.
Sep 28, 2017, 09:56 AM ISTQuantum breakthrough? Chinese scientists beam back 'entangled' photons from space
Quantum entanglement, which Einstein referred to as "a spooky action at a distance," is a curious phenomenon in which particles are "linked" together in such a way that they affect one another regardless of distance.
Einstein's general theory of relativity still valid: Japanese scientists
To test Einstein's theory, researchers used “FastSound Survey” data on more than 3,000 distant galaxies to analyze their velocities and clustering.
May 12, 2016, 13:39 PM ISTLIGO's twin black holes may have been born inside single star
On September 14 last year, the Laser LIGO in the US detected gravitational waves from the merger of two black holes 29 and 36 times the mass of the Sun.
Feb 24, 2016, 22:26 PM ISTGravitational waves: World's third LIGO facility to be built in India!
The proposal, known as LIGO-India project (Laser Interferometer Gravitational-wave Observatory in India), is piloted by Department of Atomic Energy and Department of Science and Technology (DST).
Feb 19, 2016, 10:10 AM ISTFive things you need to know about gravitational waves!
Gravitational waves are ripples that travel at the speed of light through the fabric of space-time.
Feb 11, 2016, 23:12 PM IST