Browsing Tag
gravitational waves
8 posts
What does it mean to “look” at a black hole?
A simulation of a black hole Hotaka Shiokawa/EHT General relativity teaches us that reality is, in some sense,…
October 16, 2024
Signals from exotic new stars could hide in gravitational wave data
We can detect signals from black holes merging – but could we also pick up traces of more…
October 3, 2024
We’ve just doubled the number of gravitational waves we can find
Gravitational wave detectors use laser beams in tubes that span kilometres The Virgo Collaboration Gravitational waves that span…
September 19, 2024
How Einstein was both right and wrong about gravitational waves
Gravitational waves are vibrations in space-time itself Peter Jurik/Alamy The following is an extract from our Lost in…
August 9, 2024
We could detect a malfunctioning warp drive on an alien starship
A failing warp drive could release gravitational waves Everett Collection Inc / Alamy There is no evidence that…
June 12, 2024
Gravitational waves: We are about to hear echoes in the fabric of space for the first time
Did you hear the one about the star that died twice? In 2014, astronomers saw the explosion of…
May 14, 2024
The physicist searching for quantum gravity in gravitational rainbows
THE fans roar into life, pumping air upwards at 260 kilometres per hour. Decked out in a baggy…
March 26, 2024
Scientists are using quantum squeezing to push the limits of their sensors
LIGO has confirmed 90 gravitational wave detections so far, but physicists want to detect more, which will require…
February 29, 2024