Posts Tagged ‘laser’
Science & Technology - Sep 22, 2010 10:00 - 0 Comments
Lasers control ‘Goldilocks’ molecules
YALE (US) — Using lasers, physicists have been successful in cooling molecules down to temperatures near what’s known as absolute zero, about -460 degrees Fahrenheit. (more…)
Science & Technology - Aug 5, 2010 12:03 - 0 Comments
Taking twinkle, twinkle out of night sky
U. ARIZONA (US)—A breakthrough in adaptive optics allows astronomers to obtain space-telescope quality images over a wide field of view—here on Earth. (more…)
Science & Technology - Feb 5, 2010 11:28 - 1 Comment
Physicists blast cancer with nanobubbles
RICE (US)—Using lasers and nanoparticles, scientists have discovered a new technique for singling out individual diseased cells and destroying them with tiny explosions. (more…)
Science & Technology - Feb 2, 2010 23:43 - 15 Comments
Safe travel: Sending messages by light
PENN STATE (US)—Light is better than radio waves when it comes to some wireless communications, reports a team of engineers. (more…)
Science & Technology - Dec 17, 2009 13:23 - 0 Comments
Scientists film photons with electrons
CALTECH (US)—Recently invented techniques—that allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale matter—have been used to image the evanescent electrical fields produced by the interaction of electrons and photons, and to track changes in atomic-scale structures. (more…)
Science & Technology - Oct 27, 2009 13:23 - 0 Comments
T-ray tool takes extreme measures
IOWA STATE (US)—A terahertz ray (T-ray) facility is allowing researchers to take a close and unique look at materials reliability, biofuels combustion, environmental clean-up, cancer screening, biomass conversion, ionic liquids, and many other research areas in science and engineering. (more…)
Science & Technology - Oct 21, 2009 17:05 - 3 Comments
Playing hide and seek with exoplanets
U. COLORADO (US)—A precise “laser ruler” is being developed to look for Earth-like planets around other stars. The device will measure tiny changes in infrared light caused by the gravitational wobble of small, cool stars as they are tugged back and forth by their rocky planets. (more…)
Earth & Environment - Sep 28, 2009 11:17 - 0 Comments
Portable device uses lasers to detect pollutant
PRINCETON/RICE (US)—A newly developed portable device could make it much easier to detect nitric oxide, a serious pollutant that plays a role in the body, affecting heart rate, blood flow, nerve signals, and immune function. (more…)
Science & Technology - Sep 2, 2009 14:59 - 0 Comments
Honey, who shrunk the laser light?
A bright point of light from a single plasmon laser emanates from the optical setup used by UC Berkeley researchers. (Courtesy: Xiang Zhang Lab/UC Berkeley)
Science & Technology - Jun 18, 2009 9:28 - 0 Comments
Nanoscale DNA slices reveal cell division force
Micrograph showing condensed chromosomes in blue and the mitotic spindle in green during cell division. (Courtesy: Oak Ridge National Laboratory, Image Science and Machine Vision Unit)
Science & Technology - Jun 9, 2009 6:00 - 1 Comment
Zap! Laser helps light bulb consume less
Chunlei Guo, associate professor of optics at the University of Rochester, is using a powerful laser to make the common light bulb more efficient.
Science & Technology - Mar 5, 2009 12:45 - 0 Comments
Energy-efficient way to build a better laser
PRINCETON (US)—Scientists have discovered a more efficient way to produce a high-performing laser. The finding could lead to lasers that operate at higher temperatures than existing devices, making them ideally suited for applications in air quality monitoring, medical diagnostics, and even homeland security.
