Powerful Little Light: LED With 1,000 Lumens
Mar 15, 2007 |
4.4 / 5 (322) |
3
Osram has developed a small light-emitting diode spotlight that achieves an output of more than 1,000 lumens for the first time. That’s brighter than a 50-watt halogen lamp, thereby making the device suitable ...
Sandia's Z machine creates ice in nanoseconds
Mar 15, 2007 |
4.4 / 5 (73) |
0
Sandia’s huge Z machine, which generates termperatures hottter than the sun, has turned water to ice in nanoseconds. However, don’t expect anything commercial just yet: the ice is hotter than the boiling point ...
'Plug and Play' Source of Single Photons
Mar 15, 2007 |
4.4 / 5 (41) |
0
A research group in the UK has crafted a source of single photons – photons emitted one by one – with a convenience and ease of use they liken to “plug and play” computer hardware devices. This is a key step ...
Danish scientist: Global warming is a myth
Space & Earth / Earth Sciences
Mar 15, 2007 |
4.1 / 5 (40) |
0
A Danish scientist said the idea of a "global temperature" and global warming is more political than scientific.
New species declared: Clouded leopard on Borneo and Sumatra
Biology /
Mar 15, 2007 |
4.2 / 5 (37) |
0
Scientists have discovered that the clouded leopard found on the islands of Borneo and Sumatra is an entirely new species of cat. The secretive rainforest animal was originally thought to be the same species ...
Scientists develop new terahertz material
Mar 15, 2007 |
4.2 / 5 (30) |
0
Researchers at Los Alamos National Laboratory have created a device for manipulating terahertz (THz) radiation. The device could be the basis for novel electronics and photonics applications ranging from new imaging methods ...
Mars Express radar gauges water quantity around Mars south pole
Space & Earth / Space Exploration
Mar 15, 2007 |
4.8 / 5 (24) |
0
The amount of water trapped in frozen layers over Mars' south polar region is equivalent to a liquid layer about 11 metres deep covering the planet.
RNA enzyme structure offers a glimpse into the origins of life
Mar 15, 2007 |
4 / 5 (25) |
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Researchers at the University of California, Santa Cruz, have determined the three-dimensional structure of an RNA enzyme, or "ribozyme," that carries out a fundamental reaction required to make new RNA molecules. ...
Why mice sleep longer than humans
Mar 15, 2007 |
4.8 / 5 (19) |
0
Most of us do it every night but we don't know why. If you miss too many nights, it might kill you.
Speed record for magnetic switching predicted
Mar 15, 2007 |
4.4 / 5 (19) |
0
Scientists of the Research Centre Jülich, Germany, have found a fundamentally new magnetic switching method which achieves the fastest speed ever reported by applying an external magnetic field. The re-sults ...
Arctic Sea Ice Decline May Trigger Climate Change Cascade
Space & Earth / Earth Sciences
Mar 15, 2007 |
4.3 / 5 (19) |
0
Arctic sea ice that has been dwindling for several decades may have reached a tipping point that could trigger a cascade of climate change reaching into Earth's temperate regions, says a new University of Colorado at Boulder ...
Robotic Telescope unravels mystery of cosmic blasts
Mar 15, 2007 |
4.8 / 5 (16) |
0
Scientists have used the world's largest robotic telescope to make the earliest-ever measurement of the optical polarisation of a Gamma Ray Burst (GRB) just 203 seconds after the start of the cosmic explosion. ...
Cold is hot in evolution -- Researchers debunk belief species evolve faster in tropics
Biology /
Mar 15, 2007 |
4.6 / 5 (12) |
0
University of British Columbia researchers have discovered that contrary to common belief, species do not evolve faster in warmer climates.
New reagent delivers a chemical breakthrough
Mar 15, 2007 |
4.3 / 5 (12) |
0
"Build a better mousetrap," the saying goes, "and the world will beat a path to your door." In the complex field of organic chemistry, that path leads to Florida State University, where a newly developed substance could make ...
Hidden fingerprints revealed
Nanotechnology / Nanomaterials
Mar 15, 2007 |
4.5 / 5 (11) |
0
Hidden fingerprints can be now be revealed quickly and reliably thanks to two developments in nanotechnology. The news is reported in the latest edition of the Royal Society of Chemistry journal Chemical Communications.
