Quantum dots self-tune their color for ultra-efficient nano lasers
Apr 14, 2006 |
4.3 / 5 (129) |
0
The laser, one of the most valuable scientific instruments, is getting smaller and more efficient. Scientists have designed a miniature laser, whose nanoscale dimensions and low optical losses will be instrumental ...
Graphene provides foundation for new devices that handle electrons as waves
Apr 14, 2006 |
4.3 / 5 (80) |
0
A study of how electrons behave in circuitry made from ultrathin layers of graphite – known as graphene – suggests the material could provide the foundation for a new generation of nanometer scale devices that ...
High-Resolution Light Microscope Reveals the Fundamental Mechanisms of Nerve Communication
Physics /
Apr 14, 2006 |
4.4 / 5 (49) |
0
The development of STED microscopy has allowed researchers at the Max-Planck Institute for Biophysical Chemistry to image, for the first time, proteins from single synaptic vesicles, answering long-standing ...
Could Reducing Global Dimming Mean a Hotter, Dryer World?
Apr 14, 2006 |
4.5 / 5 (40) |
0
Despite concerns over global warming, scientists have discovered something that may have actually limited the impact of greenhouse gases in the atmosphere in recent years by reducing the amount of sunlight ...
Carbon cycle was already disrupted millions of years ago
Apr 14, 2006 |
4.3 / 5 (26) |
0
Dutch researcher Yvonne van Breugel analysed rocks from seabeds millions of years old. Carbon occurs naturally in two stable forms; atomic mass 12 (99 percent) and atomic mass 13 (1 percent). Episodes in the Jurassic and ...
Study: Fetuses can't feel pain
Apr 14, 2006 |
3.9 / 5 (19) |
0
A senior psychologist at Britain's University of Birmingham says he has found good evidence that fetuses cannot feel pain.
First bald eagle chick in 50 years hatches
Apr 14, 2006 |
4.2 / 5 (10) |
0
After years trying to bring bald eagles back to the Channel Islands, wildlife experts announced the first unaided hatching in more than 50 years.
The mood of the Internet
Apr 14, 2006 |
4.9 / 5 (8) |
0
Dutch researcher Maarten de Rijke and his co-workers Gilad Mishne and Krisztian Balog have developed a new programme that can trace and explain significant changes in mood patterns on the Internet. MoodViews ...
Argonne researchers find 217 new targets for anti-cancer drugs
Apr 14, 2006 |
4.1 / 5 (9) |
0
By identifying novel genes critical to cancer progression, biologists at the U.S. Department of Energy's Argonne National Laboratory have expanded the number of drug targets researchers have available for study ...
Science experiments teach kids to think
Apr 14, 2006 |
3.9 / 5 (9) |
0
A three-year program in Wisconsin's schools is developing new ways to teach science and critical thinking in kindergarten through 12th grade.
Briton says global warning may up hunger
Apr 14, 2006 |
4.6 / 5 (7) |
0
Britain's top government scientist warns current global warming will raise temperatures enough to put 400 million more people at risk of hunger.
Globe Talk: Robots answer to immigration?
Apr 14, 2006 |
4.4 / 5 (7) |
0
Can robots do the dirty work most Americans don't want to do and meet some of the low-wage labor shortage facing the United States? Or better still, could robotic technology be part of the solution to the immigration conundrum ...
Microfluidic Device Tests Fluid Compatibility
Physics /
Apr 14, 2006 |
4.8 / 5 (6) |
0
The key to a great party is inviting guests who mix well and don't instill tension among their fellow revelers. The key to a great detergent, cosmetic, paint or other complex liquid product is pretty much the ...
Purdue creates simpler alternative for mass spectrometers
Physics /
Apr 14, 2006 |
3.9 / 5 (7) |
0
Purdue University researchers have developed a relatively simple alternative to sophisticated techniques now used to ionize materials, a critical step needed for chemical analyses involving instruments called ...
Parts of Caribbean and Central America Likely to Have Less Summer Rain
Apr 14, 2006 |
4.4 / 5 (5) |
0
Parts of the Caribbean and Central America are likely to experience a significant summer drying trend by the middle of this century, UCLA atmospheric scientists will report in the April 18 issue of Proceedings of the National Ac ...
