(Phys.org)—The sun's atmosphere dances. Giant columns of solar material – made of gas so hot that many of the electrons have been scorched off the atoms, turning it into a form of magnetized matter we call plasma – ...
Space Exploration
Sep 20, 2012
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(PhysOrg.com) -- ESA's Cluster satellites have discovered that cosmic particle accelerators are more efficient than previously thought. The discovery has revealed the initial stages of acceleration for the first time, a process ...
Astronomy
Nov 17, 2011
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Sticking swabs up our noses and down our throats to confirm or deny whether we are infected with the coronavirus—almost all of us have done it multiple times in the last couple of years.
Bio & Medicine
Jan 18, 2023
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Researchers at the National Institute of Standards and Technology (NIST) have developed chip-scale devices for simultaneously manipulating the color, focus, direction of travel, and polarization of multiple beams of laser ...
Optics & Photonics
Apr 11, 2023
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Chinese researchers have created microscopic capsules that change color when a magnetic field is applied. When the capsules are collected into an array, magnetic fields can be used to create colored patterns on an extremely ...
Materials Science
Mar 16, 2011
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Yikes! Not to be outdone by the Blue Moon, the Sun had some impressive action on August 31, 2012 as well. A solar filament collapsed and and exploded, and the Solar Dynamics Observatory caught the action in dramatic detail. ...
Space Exploration
Sep 3, 2012
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Stars form within giant clouds of gas and dust that pervade galaxies like our own Milky Way. This image depicts one such cloud, known as Orion A, as seen by ESA's Herschel and Planck space observatories.
Astronomy
Nov 18, 2019
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A discovery by University of Strathclyde researchers could have a major impact on advancing smaller, cheaper, laser-driven particle accelerators – and their potential applications.
Optics & Photonics
Jan 12, 2016
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In astronomy, we have a common saying: "good luck, and clear skies." For an eclipse chaser like me, this is especially important. We have two minutes and no second chance—one small cloud can spoil everything.
Space Exploration
Jul 2, 2019
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Reseachers at ETH Zurich have developed a modulator with which data transmitted via millimetre waves can be directly converted into light pulses for optical fibres. This could make covering the "last mile" up to the internet ...
Optics & Photonics
Nov 21, 2018
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