Posts Tagged ‘laser’
Replica of Trojan asteroids fits in single atom
RICE (US) — Physicists have built an accurate model of part of the solar system inside a single atom of potassium. Continue…
Wednesday, January 25, 2012 13:43 - 1 Comment
Health & Medicine - Jan 9, 2012 11:27 - 3 Comments
Device spots melanoma cell by cell
U. MISSOURI (US) — A new photoacoustic device will detect melanoma long before tumors develop, say researchers. (more…)
Science & Technology - Dec 29, 2011 11:15 - 0 Comments
Laser ‘egg carton’ traps giant atoms
U. MICHIGAN (US) — With an “egg carton” of laser light, physicists can trap giant Rydberg atoms with up to 90 percent efficiency. (more…)
Science & Technology - Sep 28, 2011 11:28 - 1 Comment
Nonlinear laser light at the nanoscale
STANFORD (US) — By harnessing plasmonics to intensify light, engineers have created an ultra-compact, nanoscale light source that could ultimately find applications in data communications. (more…)
Science & Technology - Sep 20, 2011 12:34 - 0 Comments
Detect roadside bombs with laser
MICHIGAN STATE U. (US) — Researchers have developed a laser that could detect roadside bombs—the deadliest enemy weapon encountered in Iraq and Afghanistan. (more…)
Science & Technology - Aug 2, 2011 15:56 - 1 Comment
Lasers create slice of energy storage
RICE (US) — Transforming graphite oxide (GO) into a full-fledged supercapacitor turns out to be a simple process, but until recently was anything but obvious. (more…)
Science & Technology - May 17, 2011 12:29 - 0 Comments
Laser has more bang, less bulk
STANFORD (US) — In a push toward smaller, faster data transmission, researchers have produced a nanoscale laser that is much faster and vastly more energy efficient than anything available today. (more…)
Science & Technology - Apr 29, 2011 8:31 - 1 Comment
T-ray laser pulses advance imaging
U. LEEDS (UK) — Researchers have produced terahertz ray pulses from a quantum cascade laser, the first time rays have been made to emit separate packets of radiation, rather than in a continuous beam. (more…)
Science & Technology - Mar 22, 2011 16:55 - 0 Comments
This ‘Etch-a-Sketch’ is laser guided
U. CHICAGO (US) — A low-power laser—similar to the common laser pointer—can cause gold and carbon nanoparticles to assemble into long chains that follow the laser beam as it moves. (more…)
Science & Technology - Mar 16, 2011 8:53 - 1 Comment
Laser untangles membrane measurements
VANDERBILT (US) — A new laser technique that can measure interactions between proteins tangled in a cell’s membrane is expected to help in the discovery of new drugs. (more…)
Health & Medicine - Feb 25, 2011 13:42 - 2 Comments
Lasers more precisely ID melanomas
DUKE (US) — A laser-based tool that accurately diagnoses melanoma has the potential to save thousands of lives and millions of dollars in unnecessary health care costs each year. (more…)
Science & Technology - Feb 22, 2011 8:30 - 0 Comments
Probe goes below skin to flag lesions
U. ROCHESTER (US) — A new optical technology that takes high-resolution images under the skin’s surface may eliminate surgery to detect if lesions are benign or cancerous. (more…)
Science & Technology - Feb 18, 2011 11:51 - 0 Comments
Anti-lasers: Latest zap! technology
YALE (US) — Scientists have invented the world’s first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly cancel each other out. (more…)
Science & Technology - Feb 1, 2011 23:16 - 0 Comments
Painless biopsies with smart lasers
MICHIGAN STATE (US) — Using laser microscopes that deploy rapid, ultra-short pulses to identify molecules, doctors may soon have the tools to perform painless skin cancer biopsies. (more…)
Science & Technology - Dec 17, 2010 15:22 - 1 Comment
How to create something from nothing
U. MICHIGAN (US) — Under just the right conditions—which involve an ultra-high-intensity laser beam and a two-mile-long particle accelerator—it could be possible to generate matter and antimatter from a vacuum. (more…)
Science & Technology - Nov 23, 2010 14:00 - 0 Comments
Microscope pinpoints single molecules
IOWA STATE (US) — A new microscope will allow scientists to study biological molecules one at a time. (more…)
Science & Technology - Oct 18, 2010 17:41 - 0 Comments
Control quantum states with laser light
COLORADO (US) — Physicists have succeeded in combining laser light with trapped electrons to detect and control the electrons’ fragile quantum state without erasing it. (more…)
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…)
