On October 9, 2022, an intense pulse of gamma-ray radiation swept through our solar system, overwhelming gamma-ray detectors on numerous orbiting satellites, and sending astronomers on a chase to study the event using the ...
Astronomy
Mar 28, 2023
1
1594
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
Shock waves occur in air when a plane travels faster than the speed of sound and also occur in plasma (a fourth state of matter that makes up 99% of the visible universe) in space. Shock waves are believed to accelerate particles ...
Astronomy
Dec 19, 2022
0
76
In certain regions of Brazil, don't be surprised if your GPS device behaves erratically. For years, researchers have been scratching their heads, looking for a solution to the unreliable GPS signals in regions near the Amazon. ...
Space Exploration
Nov 15, 2022
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38
A Tohoku University researcher has increased the performance of a high-power electrodeless plasma thruster, moving us one step closer to deeper explorations into space.
Space Exploration
Nov 11, 2022
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475
Understanding the unpredictable behaviors of ocean waves can be a matter of survival for seafarers. Deep-water wave groups have been known to be unstable and become rogue, causing unsuspecting boats to tip over.
General Physics
Sep 29, 2022
0
6
In fusion power generation, it is essential that the high-energy particles generated by a fusion reaction in hot plasma heat it to sustain further fusion reactions. The key to this self-heating of the plasma is whether it ...
Plasma Physics
Sep 28, 2022
0
43
Pulsars—rapidly-spinning remnants of stars that flash like a lighthouse—occasionally show extreme variations in brightness. Scientists predict that these short bursts of brightness happen because dense regions of interstellar ...
Astronomy
Jul 19, 2022
0
63
In a new study published in Physical Review Letters, researchers from Japan show that high-frequency plasma waves in the geospace can generate low-frequency plasma waves through wave-particle interactions by heating up low-energy ...
Plasma Physics
Jan 17, 2022
0
511
Why the sun's corona reaches temperatures of several million degrees Celsius is one of the great mysteries of solar physics. A "hot" trail to explain this effect leads to a region of the solar atmosphere just below the corona, ...
Astronomy
Jan 3, 2022
0
1520
