Hubble astronomers discover early universe was overheated
If you think global warming is bad, 11 billion years ago the entire universe underwent, well, universal warming.
If you think global warming is bad, 11 billion years ago the entire universe underwent, well, universal warming.
Astronomy
Oct 7, 2010
36
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Devices that can mimic Superman's X-ray vision and see through clothing, walls or human flesh are the stuff of comic book fantasy, but a group of scientists at Boston University (BU) has taken a step toward making such futuristic ...
Optics & Photonics
May 6, 2010
1
0
(PhysOrg.com) -- A major hurdle in the ambitious quest to design and construct a radically new kind of quantum computer has been finding a way to manipulate the single electrons that very likely will constitute the new machines' ...
Quantum Physics
Feb 5, 2010
20
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(PhysOrg.com) -- Quantum mechanics could help build ultra-high-resolution electron microscopes that won't destroy living cells, according to MIT electrical engineers.
General Physics
Oct 6, 2009
3
0
NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole. This is the first detection of such a high-energy apparition, and scientists think it is evidence of a huge eruption ...
Astronomy
May 28, 2009
15
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Scientists using NASA's fleet of THEMIS spacecraft have discovered how radio waves produced by electrons injected into Earth's near-space environment both generate and remove high-speed "killer" electrons.
General Physics
May 7, 2009
6
0
(PhysOrg.com) -- Something in our galactic neighborhood seems to be producing large numbers of high-energy electrons, according to new data gathered by the Fermi Gamma-ray Space Telescope. The electrons could be coming from ...
General Physics
May 5, 2009
1
0
When ultrafast electrons are deflected, they emit light—synchrotron radiation. This is used in so-called storage rings in which magnets force the particles onto a closed path. This light is longitudinally incoherent and ...
Optics & Photonics
Jun 28, 2024
0
285
Materials science enables cutting-edge technologies, from lightweight cars and powerful computers to high-capacity batteries and durable spacecraft. But to develop materials for these applications, they need to be exactingly ...
Analytical Chemistry
Mar 22, 2024
0
33
It might look like a roll of chicken wire, but this tiny cylinder of carbon atoms—too small to see with the naked eye—could one day be used for making electronic devices ranging from night vision goggles and motion detectors ...
Nanomaterials
Mar 11, 2024
0
167