In 1969, the astrophysicists Rashid Sunyaev and Yakov Zel'dovich realized that the then recently discovered cosmic microwave background radiation (CMBR) would be distorted by hot cosmic gas. Hot electrons in the intergalactic ...
Astronomy
Mar 13, 2015
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A major Japanese machinery company said Friday that it has succeeded in transmitting energy wirelessly, marking a step toward making solar power generation in space a reality.
Energy & Green Tech
Mar 13, 2015
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(Phys.org)—A small team of researchers working at Aalto University in Finland has discovered a way to create "metamirrors" capable of acting on a single radiating frequency while allowing others to pass through. In their ...
High-power microwaves are frequently used in civil applications, such as radar and communication systems, heating and current drive of plasmas in fusion devices, and acceleration in high-energy linear colliders. They can ...
General Physics
Feb 11, 2015
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Although currently available diagnostic screening systems for breast cancer like X-ray computed tomography (CT) and mammography are effective at detecting early signs of tumors, they are far from perfect, subjecting patients ...
General Physics
Dec 16, 2014
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While the pastel tones and fine texture of this image may bring to mind brush strokes on an artist's canvas, they are in fact a visualisation of data from ESA's Planck satellite. The image portrays the interaction between ...
Astronomy
Dec 16, 2014
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The Planck collaboration, which notably includes the CNRS, CEA, CNES and several French universities, has disclosed, at a conference in Ferrara, Italy, the results of four years of observations from the ESA's Planck satellite. ...
General Physics
Dec 5, 2014
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(Phys.org)—A team of researchers analyzing data from a telescope aboard the European Space Agency's Planck spacecraft gave a presentation at Planck 2014 recently—a meeting held in a palace in Italy—to outline findings ...
(Phys.org) —On a quest to design an alternative to the two complex approaches currently used to produce electrons within microwave electron guns, a team of researchers from Euclid TechLabs and Argonne National Laboratory's ...
General Physics
Nov 18, 2014
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When astronomers (Bond 2013) first dated the star HD 140283, which lies a mere 190 lightyears from Earth in the constellation of Libra, they were puzzled. This rare, star appeared to be rather ancient and was quickly nicknamed ...
Astronomy
Oct 27, 2014
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