Scientists set to unveil first picture of a black hole
The world, it seems, is soon to see the first picture of a black hole.
Astronomy
Apr 6, 2019
329
17682
News tagged with gravitational energy
Ripples in fabric of universe may reveal start of time
Scientists have advanced in discovering how to use ripples in space-time known as gravitational waves to peer back to the beginning of everything we know. The researchers say they can better understand the state of the cosmos ...
General Physics
Jan 20, 2023
51
5296
New research suggests that our universe has no dark matter
The current theoretical model for the composition of the universe is that it's made of normal matter, dark energy and dark matter. A new University of Ottawa study challenges this.
Astronomy
Mar 15, 2024
17
3641
Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum)
(PhysOrg.com) -- During the past few years, CERN physicist Dragan Hajdukovic has been investigating what he thinks may be a widely overlooked part of the cosmos: the quantum vacuum. He suggests that the quantum vacuum has ...
Quest to settle riddle over Einstein's theory may soon be over
Astronomy experiments could soon test an idea developed by Albert Einstein almost exactly a century ago, scientists say.
General Physics
Feb 10, 2017
29
1011
Study identifies a tidal disruption event that coincides with the production of a high-energy neutrino
High-energy neutrinos are highly fascinating subatomic particles produced when very fast charged particles collide with other particles or photons. IceCube, a renowned neutrino detector located at the South Pole, has been ...
Scientists set to reveal first true image of black hole
The world is finally about to see a black hole—not an artist's impression or a computer-generated likeness, but the real thing.
Astronomy
Apr 10, 2019
23
1644
Testing Einstein's E=mc2 in outer space
(Phys.org)—University of Arizona physicist Andrei Lebed has stirred the physics community with an intriguing idea yet to be tested experimentally: The world's most iconic equation, Albert Einstein's E=mc2, may be correct ...
General Physics
Jan 4, 2013
81
0
Astrophysicist proposes a new theory of gravity without a conservation law
The general theory of relativity is based on the concept of curved space–time. To describe how the energy and momentum of fields are distributed in space–time, as well as how they interact with the gravitational field, ...
General Physics
Jan 18, 2024
7
209
Could Exotic Matter Provide an Infinite Source of Energy?
(PhysOrg.com) -- Generally, scientists prefer to avoid the concept of perpetual motion. The idea of a machine that could produce movement that goes on forever, and using that movement to generate an endless stream of energy, ...
