Producing metallic hollow spheres is complicated: It has not yet been possible to make the small sizes required for new high-tech applications. Now for the first time researchers have manufactured ground hollow spheres measuring ...
Materials Science
Oct 13, 2009
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1
(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology and Cornell University have capitalized on a process for manufacturing integrated circuits at the nanometer level to engineer the first-ever ...
Bio & Medicine
Apr 8, 2009
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There's something poetic about humanity's attempt to detect other civilizations somewhere in the Milky Way's expanse. There's also something futile about it. But we're not going to stop. There's little doubt about that.
Astronomy
May 10, 2024
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The early ancestors of humans deliberately made stones into spheres 1.4 million years ago, a study said on Wednesday, though what prehistoric people used the balls for remains a mystery.
Archaeology
Sep 10, 2023
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200
One of the most common and practically useful experiments in all of fluid dynamics involves holding an object in air or submerging it fully underwater, exposing it to a steady flow to measure its resistance in the form of ...
Soft Matter
Aug 22, 2023
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ESA's Euclid mission will create a 3D-map of the universe that scientists will use to measure the properties of dark energy and dark matter and uncover the nature of these mysterious components. The map will contain a vast ...
Space Exploration
Aug 9, 2023
0
6
Porous media such as concrete represent a spherical packing of different components. The mechanical properties of such mixtures are difficult to calculate due to their discretized nature. A team led by Prof. Holger Steeb ...
Analytical Chemistry
Jun 21, 2023
0
7
No, you're not seeing double: This photo shows two images of a Jupiter-like planet that orbits the star AF Leporis. The planet has been imaged by two independent groups of astronomers using the SPHERE instrument on ESO's ...
Astronomy
Feb 22, 2023
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The differences between Earth and Venus are obvious to us. One is radiant with life and adorned with glittering seas, and the other is a scorching, glowering hellhole, its volcanic surface shrouded by thick clouds and visible ...
Astronomy
Feb 3, 2023
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Bailee Wolf, a student at The Ohio State University, has a tool to better process radio data, and it could help future spacecraft navigate through the solar system.
Astronomy
Jan 10, 2023
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