An illustrated guide to relativity
Laura Hiscott reviews Reimagining Time: a Light-Speed Tour of Einstein’s Theory of Relativity by Tanya Bub and Jeffrey Bub
Read article: An illustrated guide to relativity
Read article: An illustrated guide to relativity
LIGO gravitational-wave signal backs up Hawking’s area theorem
Prediction made by the late theoretical physicist Stephen Hawking 40 years ago receives observational support
Read article: LIGO gravitational-wave signal backs up Hawking’s area theorem
LIGO mirrors have been cooled to near their quantum ground state
Experiment opens a window on gravity’s effect on quantum objects
Read article: LIGO mirrors have been cooled to near their quantum ground state
Black holes merging with neutron stars have been spotted by LIGO–Virgo for the first time
Two events were seen less than two weeks apart
Read article: Black holes merging with neutron stars have been spotted by LIGO–Virgo for the first time
Caution needed when testing Einstein’s general relativity using gravitational waves
Future signs of new physics might just be accumulated errors, physicists warn
Read article: Caution needed when testing Einstein’s general relativity using gravitational waves
Spinning black holes can be deformed by tidal forces, calculations reveal
Space-based gravitational wave detector could see black-hole bulges
Read article: Spinning black holes can be deformed by tidal forces, calculations reveal
Physicists measure smallest gravitational field yet
Detecting the pull of a tiny gold sphere opens the way to quantum measurements
Read article: Physicists measure smallest gravitational field yet
Quantum gravity could soon be tested using ultracold atoms
Proposal involves looking for signature derived from quantum information studies
Read article: Quantum gravity could soon be tested using ultracold atoms
How gravitational waves could reveal flaws in a black-hole theorem, satellites lead an agricultural revolution
This week’s podcast features black-hole and satellite-imaging experts
Read article: How gravitational waves could reveal flaws in a black-hole theorem, satellites lead an agricultural revolution
Have pulsars provided a glimpse of gravitational waves from merging supermassive black holes?
More than a decade of observations suggests that something is affecting pulsar timings
Read article: Have pulsars provided a glimpse of gravitational waves from merging supermassive black holes?
