Tag: black holes
Quantum mechanical wormholes fill gaps in black hole entropy – Physics World
A new theoretical model could solve a 50-year-old puzzle on the entropy of black holes. Developed by physicists in the US, Belgium and Argentina,...
Breaking News
Milky Way’s supermassive black hole has a surprising magnetic personality – Physics World
The magnetic field surrounding the supermassive black hole at the centre of the Milky Way has been observed for the first time. Astronomers using...
Giant quantum tornado behaves like a black hole in miniature – Physics World
A novel experimental platform known as a giant quantum vortex mimics certain behaviours of black holes, giving scientists an opportunity to observe the physics...
Can Information Escape a Black Hole? | Quanta Magazine
IntroductionNothing escapes a black hole … or does it? In the 1970s, the physicist Stephen Hawking described a subtle process by which black holes...
Baryon acoustic oscillations hint that dark energy may have changed over time – Physics World
Preliminary observations made by the Dark Energy Spectroscopic Instrument (DESI) hint that the acceleration of the expansion of the universe has not been constant...
Now We Can See the Magnetic Maelstrom Around Our Galaxy’s Supermassive Black Hole
Black holes are known for ferocious gravitational fields. Anything wandering too close, even light, will be swallowed up. But other forces may be at...
Quantum News Briefs: March 22, 2024: CalTech Researchers Create New Method that Uses Classical Computers to Check Accuracy of Complex Quantum Systems; First-of-Its-Kind ‘Quantum...
By Kenna Hughes-Castleberry posted 22 Mar 2024
Quantum News Briefs: March 22, 2024:
CalTech Researchers Create New Method that...
Could gravastars be nested inside one another like a Russian doll? – Physics World
Gravastars, hypothetical alternatives to black holes, could end up nested inside one another like a Russian Matryoshka doll – according to new calculations that...
What Is Quantum Teleportation? | Quanta Magazine
IntroductionQuantum teleportation isn’t just science fiction; it’s entirely real and happening in laboratories today. But teleporting quantum particles and information is a far cry...
Space-borne atoms herald new tests of Einstein’s equivalence principle – Physics World
The motion of freely-falling bodies is independent of their composition. This is one of the foundations of Einstein’s Equivalence Principle (EEP), which underpins our...
A suspenseful story of life and death in the universe – Physics World
Katherine Skipper reviews Things That Go Bump in the Universe by C Renée James
<a href="https://platoblockchain.net/wp-content/uploads/2024/03/a-suspenseful-story-of-life-and-death-in-the-universe-physics-world-1.jpg" data-fancybox data-src="https://platoblockchain.net/wp-content/uploads/2024/03/a-suspenseful-story-of-life-and-death-in-the-universe-physics-world-1.jpg" data-caption="Don’t blink To the naked eye, the...
Gravity Experiments on the Kitchen Table: Why a Tiny, Tiny Measurement May Be a Big Leap Forward for Physics
Just over a week ago, European physicists announced they had measured the strength of gravity on the smallest scale ever.
In a clever tabletop experiment,...
What Is the Nature of Time? | Quanta Magazine
IntroductionTime seems linear to us: We remember the past, experience the present and predict the future, moving consecutively from one moment to the next....