(Phys.org)—In cold regions on earth, negative temperatures on the Fahrenheit or Celsius scale can often occur in winter; in physics, however, they were so far impossible. On the absolute temperature scale that is used by ...
General Physics
Jan 4, 2013
54
2
An international team led by University of Toronto physicists has developed a simple new technique using Scotch poster tape that has enabled them to induce high-temperature superconductivity in a semiconductor for the first ...
Superconductivity
Sep 11, 2012
18
0
(Phys.org)—Toulouse-based Airbus, a world-leading aircraft manufacturer, has issued its "vision" of what truly smart flying—smart, that is, as in sustainable rather than smart as in sensor-packed—will be like in 2050. ...
Biofilms may no longer have any solid ground upon which to stand.
Materials Science
Jul 30, 2012
26
1
(Phys.org) -- Electrical engineers at The University of Texas at Arlington and at the University of Wisconsin-Madison have devised a new laser for on-chip optical connections that could give computers a huge boost in speed ...
Optics & Photonics
Jul 23, 2012
0
0
Carbon nanotubes represent a significant departure from traditional silicon technologies and offer a promising path to solving the challenge of energy efficiency in computer circuits, but they aren't without challenges. Now, ...
Nanophysics
Jun 14, 2012
1
0
At the nano level, researchers at Stanford have discovered a new way to weld together meshes of tiny wires. Their work could lead to exciting new electronics and solar applications. To succeed, they called upon plasmonics.
Nanophysics
Feb 6, 2012
1
0
(PhysOrg.com) -- Researchers from the National Renewable Energy Laboratory (NREL) have reported the first solar cell that produces a photocurrent that has an external quantum efficiency greater than 100 percent when photoexcited ...
General Physics
Dec 15, 2011
47
0
(PhysOrg.com) -- Although the idea of harvesting ambient energy from the environment and using it to generate electricity is alluring, most of the technology so far is capable of generating only very small amounts of power ...
(PhysOrg.com) -- Intel has been slow playing catch-up to ARM in the mobile area, but, based on the latest announcement from ARM, Intel will need to work all the harder to upstage a show of innovation in the latest twin rollout ...
