In physics, one often has to deal with different scales that can be described separately from one another: For the Earth's orbit around the sun, it makes absolutely no difference whether an elephant in the zoo walks to the ...
Condensed Matter
May 5, 2023
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136
A new NASA animation highlights the "super" in supermassive black holes. These monsters lurk in the centers of most big galaxies, including our own Milky Way, and contain between 100,000 and tens of billions of times more ...
Astronomy
May 2, 2023
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435
The orbital angular momentum (OAM) of electromagnetic waves—a kind of "structured light"—is associated with a helical or twisted wavefront.
Optics & Photonics
Apr 19, 2023
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430
Testing the possibility of models of gravity different from general relativity may be closer to home than we think. In a paper published on the arXiv preprint server, a team of researchers has proposed that we might be able ...
Planetary Sciences
Apr 17, 2023
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49
Some classical computers have error correction built into their memories based on bits; quantum computers, to be workable in the future, will need error correction mechanisms, too, based on the vastly more sensitive qubits.
Quantum Physics
Apr 12, 2023
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311
Researchers have discovered that in the exotic conditions of the early universe, waves of gravity may have shaken space-time so hard that they spontaneously created radiation.
Astronomy
Apr 10, 2023
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Have you ever wondered what a volcano looks like from space? Today, we're counting down our picks of the most impressive volcanoes around the world—captured by satellites.
Environment
Apr 10, 2023
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26
Astronauts aboard the International Space Station are hard at work on research guided by students and researchers from the University of Colorado Boulder.
Space Exploration
Apr 10, 2023
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3
Researchers have developed a way to create photonic time crystals, and they have shown that these bizarre, artificial materials amplify the light that shines on them. These findings, described in a paper in Science Advances, ...
Optics & Photonics
Apr 5, 2023
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371
The soot produced by unburnt hydrocarbon flames is the second largest contributor to global warming, while also harming human health. Researchers have developed state-of-the-art, high-speed imaging techniques to study turbulent ...
