(PhysOrg.com) -- While information technology is generally thought to require electrons or photons for transmitting information, scientists have recently demonstrated a third method of transmission: chemical reactions. Based ...
It is believed that the formation and growth of most galaxies across the history of the universe has been fueled by supermassive black holes growing together with their host galaxy as they collect matter to attain millions ...
Astronomy
May 13, 2019
17
540
(PhysOrg.com) -- A multinational team of scientists has developed a process for creating glass-based, inorganic light-emitting diodes (LEDs) that produce light in the ultraviolet range. The work, reported this week in the ...
Nanophysics
Feb 24, 2012
0
0
A pulsar that is able, without warning, to dramatically change the way in which it shines has been identified by an international team of astronomers.
Astronomy
Jan 24, 2013
25
0
(PhysOrg.com) -- Light-emitting diodes, which employ semiconductors to produce artificial light, could reduce electricity consumption and lighten the impact of greenhouse gas emissions. However, moving this technology beyond ...
Nanophysics
Apr 6, 2010
7
0
ICRAR researchers have discovered tantalizing evidence of magnetic fields in the universe's largest cosmic structures.
Astronomy
Feb 16, 2023
162
329
(PhysOrg.com) -- Scientists at the Naval Research Laboratory Space Science Division and a team of international researchers have positively identified cosmic sources of gamma-ray emissions through the discovery of 16 pulsating ...
Astronomy
Sep 22, 2009
1
1
(Phys.org) —Blazars are the brightest of active galactic nuclei, and many emit very high-energy gamma rays. New observations of the blazar known as PKS 1424+240 show that it is the most distant known source of very high-energy ...
Astronomy
Apr 18, 2013
1
0
Scientists have found that two-dimensional (2D) nanostructures with asymmetric design enable a new quantum mechanism, triggering the emission of tunable light at terahertz frequencies—with unprecedented efficiency.
General Physics
Jun 18, 2014
0
0
The climate-driven advance of beavers into the Arctic tundra is likely causing the release of more methane—a greenhouse gas—into the atmosphere.
Earth Sciences
Sep 8, 2023
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