News tagged with room
Mpemba effect: Why hot water can freeze faster than cold
(PhysOrg.com) -- Scientists have known for generations that hot water can sometimes freeze faster than cold, an effect known as the Mpemba effect, but until now have not understood why. Several theories have ...
Mar 26, 2010 |
4.1 / 5 (52) |
36
|
New material is a breakthrough in magnetism
(PhysOrg.com) -- Researchers from Imperial College London have created a structure that acts like a single pole of a magnet, a feat that has evaded scientists for decades. The researchers say their new Nature Ph ...
Apr 12, 2010 |
4.3 / 5 (49) |
59
|
High-temperature superconductor spills secret: A new phase of matter
(PhysOrg.com) -- Scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California at Berkeley have joined with researchers at Stanford University ...
Mar 24, 2011 |
4.7 / 5 (42) |
18
|
Cheaper, better solar cell is full of holes
A new low-cost etching technique developed at the U.S. Department of Energy's National Renewable Energy Laboratory can put a trillion holes in a silicon wafer the size of a compact disc.
Nanotechnology / Nanomaterials
Sep 03, 2010 |
4.9 / 5 (32) |
17
|
New property in warm superconductors discovered
(PhysOrg.com) -- Led by Simon Fraser University physicist Jeff Sonier, scientists at TRIUMF have discovered something that they think may severely hinder the creation of room-temperature (37 degrees Celsius) superconductors.
Nov 17, 2010 |
4.8 / 5 (22) |
41
|
Key advance in understanding 'pseudogap' phase in high-Tc superconductors
(PhysOrg.com) -- Scientists have been trying for some 20 years to understand why the low temperature at which copper-oxide superconductors carry current with no resistance can't be increased to be closer to ...
Jul 14, 2010 |
5 / 5 (19) |
6
|
Quantum correlations -- without entanglement
(PhysOrg.com) -- Few people doubt the "quantumness" of entanglement. Quantifying the quantum correlation of entanglement is something that is relatively regular right now. However, things change a bit when it comes to quantum ...
Aug 24, 2011 |
4.5 / 5 (21) |
4
|
Engineers Demo Smallest Room Temperature Laser
(PhysOrg.com) -- Imagine packing 4 billion nanolasers on a three-inch semiconductor wafer. That is now nearer to reality, thanks to researchers at the University of California, San Diego’s Jacobs School of ...
May 03, 2010 |
5 / 5 (18) |
0
Barrier to faster graphene devices identified and suppressed
These days graphene is the rock star of materials science, but it has an Achilles heel: It is exceptionally sensitive to its electrical environment.
Nanotechnology / Nanomaterials
Mar 13, 2012 |
4.7 / 5 (19) |
5
|
Scientists find microbes in lava tube living in conditions like those on Mars
(PhysOrg.com) -- A team of scientists from Oregon has collected microbes from ice within a lava tube in the Cascade Mountains and found that they thrive in cold, Mars-like conditions.
Space & Earth / Space Exploration
Dec 15, 2011 |
4.8 / 5 (17) |
13
|
Physicists set guidelines for qubit candidates
(PhysOrg.com) -- To build a quantum computer, it's essential to be able to quickly and efficiently manipulate the quantum states of qubits. The qubits, which are the basic unit of quantum information, can be composed of many ...
May 04, 2010 |
4.6 / 5 (17) |
2
Artificially controlling water condensation leads to 'room-temperature ice'
Earth's climate is strongly influenced by the presence of particles of different shapes and origins -- in the form of dust, ice and pollutants -- that find their way into the lowest portion of the atmosphere, the troposphere. ...
Jul 27, 2010 |
4.4 / 5 (16) |
7
|
Research demonstrates method that allows inexpensive carbon materials to store hydrogen at room temperature
Hydrogen has long been considered a promising alternative to fossil fuels for powering cars, trucks and even homes. But one major obstacle has been finding lightweight, robust and inexpensive ways of storing the gas, whose ...
Sep 19, 2011 |
4.9 / 5 (14) |
16
|
A chance discovery may revolutionize hydrogen production
Producing hydrogen in a sustainable way is a challenge and production cost is too high. A team led by EPFL Professor Xile Hu has discovered that a molybdenum based catalyst is produced at room temperature, ...
Apr 14, 2011 |
4.8 / 5 (14) |
14
|
Explained: Radiative forcing
When people talk about global warming or the greenhouse effect, the main underlying scientific concept that describes the process is radiative forcing. And despite all the recent controversy over leaked emails ...
Space & Earth / Earth Sciences
Mar 10, 2010 |
3.5 / 5 (19) |
33
