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Feb 25, 2006

Hitching a Ride Out of a Gluttonous Black Hole

“Ever since Stephen Hawking showed that black holes evaporate,” says Seth Lloyd, an MIT physicist, “people have wondered about the stuff that comes out of them. Is it just garbage, or is it something else?” With his ...

Oct 20, 2005

How to find a black hole

Black holes. Just the name evokes mystery and intrigue. But do they really exist? Scientists have discovered at least 20 objects in 20 different galaxies that are potential black holes and may contain event horizons. A black ...

Astronomy Feb 29, 2024

How 'the strong force' influences the gravitational wave background

Gravitationally speaking, the universe is a noisy place. A hodgepodge of gravitational waves from unknown sources streams unpredictably around space, including possibly from the early universe.

General Physics Sep 22, 2023

Theoretical study shows that Kerr black holes could amplify new physics

Black holes are regions in space characterized by extremely strong gravity, which prevents all matter and electromagnetic waves from escaping it. These fascinating cosmic bodies have been the focus of countless research studies, ...

Plasma Physics Dec 5, 2022

Simulations predict the existence of black hole radio-wave hot spots

Black holes, regions in spacetime where gravity is so strong that nothing can escape from them, are among the most fascinating and widely studied cosmic phenomena. While there are now countless theories about their formation ...

Astronomy Sep 9, 2022

Theoretical physicists argue that black holes admit vortex structures

Black holes are astronomical objects with extremely strong gravitational pulls from which not even light can escape. While the idea of bodies that would trap light has been around since the 18th century, the first direct ...

General Physics Apr 22, 2022

Theoretical model offers a new perspective on black hole formation and evolution

Black holes are regions in space characterized by gravitational fields so intense that no matter or radiation can escape from them. They are solutions to Einstein's field equations, with a point of unphysical infinite density ...

General Physics Feb 14, 2022

Theory shows baryogenesis requirement could drive the contribution of primordial black holes to dark matter

While many studies have hinted at the existence of dark matter, a material that does not absorb, reflect or emit light, this elusive substance has not been directly observed so far. Over the past few decades, many teams worldwide ...

General Physics Jan 20, 2022

Study finds that black hole inner horizons can be charged or discharged

Black holes are intriguing and widely studied cosmic bodies with extremely high tidal forces, from which even light is unable to escape. While many studies predicted the existence of black holes, which have also recently ...

General Physics Jun 21, 2021

New possibilities for detecting Hawking radiation emitted by primordial black holes

While many physicists have predicted the existence of dark matter, a type of matter that does not absorb, reflect or emit light, so far no one has been able to observe it experimentally or determine its fundamental nature. ...

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