Posts Tagged ‘optics’
‘Time cloak’ makes event vanish
CORNELL (US) — Researchers have demonstrated a “temporal cloak”—albeit on a very small scale—in the transport of information by a beam of light. Continue…
Monday, January 9, 2012 17:50 - 2 Comments
Science & Technology - Dec 9, 2011 11:21 - 0 Comments
Lasers track nanotubes in living cells
PURDUE (US) — A new imaging tool that tracks carbon nanotubes in living cells and the bloodstream could advance their use for biomedical research and clinical medicine. (more…)
Science & Technology - Dec 2, 2011 10:45 - 0 Comments
Coating makes 3-D objects look flat
U. MICHIGAN (US) — Engineers have developed a carbon nanotube coating that can conceal an object’s 3-D geometry, absorbing 99.9 percent of its light to make it look like a flat black sheet. (more…)
Science & Technology - Dec 1, 2011 6:52 - 0 Comments
Ultraviolet lasers get smarter
U. MICHIGAN (US) — Scientists have discovered a way to build compact and efficient ultraviolet light sources that could enhance information storage, microscopy, and chemical analysis. (more…)
Science & Technology - Nov 8, 2011 12:16 - 0 Comments
Metamaterials pave way for superlens
CORNELL (US) — Scientists have developed a technique that could allow metamaterials, known for unusual optical properties, to self-assemble in 3-D. (more…)
Top Stories - Oct 31, 2011 12:43 - 0 Comments
Super efficient OLEDs on flexible plastic
U. TORONTO (CAN) — New organic light-emitting diodes (OLEDs) are not only the most efficient ever made, but have an added bonus: They’re produced on plastic. (more…)
Science & Technology - Oct 19, 2011 10:37 - 5 Comments
Turn any surface (skin!) into touchscreen
CARNEGIE MELLON (US) — A wearable projection system turns paper, walls, and even skin into an iPad-like touchscreen. (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 8, 2011 15:47 - 0 Comments
Crystal takes temperatures to extremes
U. WARWICK (UK) — Researchers have developed a form of crystal that can deliver highly accurate temperature readings, ranging from -120 to +680 degrees centigrade. (more…)
Science & Technology - Aug 16, 2011 10:33 - 0 Comments
Optics used to track single cell’s growth
U. ILLINOIS (US) — Researchers are using optics to measure a basic biological process: the growth of single cells. It’s a process that has been difficult to quantify using other methods. (more…)
Science & Technology - Aug 5, 2011 9:17 - 1 Comment
Engineers isolate light on photonic chip
CALTECH (US) — A new technique that isolates light signals on a silicon chip solves a longstanding problem in engineering photonic chips. (more…)
Science & Technology - Jun 15, 2011 16:53 - 0 Comments
Superthin graphene transforms optics
U. PENNSYLVANIA (US) — By controlling the conductivity of sheets of graphene, engineers say they can create two-dimensional, one-atom thick metamaterials. (more…)
Top Stories - May 24, 2011 10:43 - 0 Comments
Real-time look at dynamics of live cells
U. ILLINOIS (US) — New technology that allows scientists to peer into the nanoscale world of live cells has potential applications for imaging cancer and other tissues. (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…)
Top Stories - Mar 15, 2011 12:29 - 2 Comments
Power from fusion energy? Why knot?
NYU (US) — There may be a “twisted” way to realize fusion energy as a power source: 3D optical knots. (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 - Jan 31, 2011 19:41 - 0 Comments
Physicists hide photons in ‘shell game’
UC SANTA BARBARA (US) — A feat that has eluded physicists for more than a decade has been achieved using a technique inspired by the slight-of-hand “shell game.” (more…)
Science & Technology - Jan 26, 2011 12:12 - 2 Comments
How to unleash metamaterials
CALTECH (US) — Metamaterials could be critical players in developing ultrapowerful microscopes, optical computers, and even an invisibility cloak—if scientists can figure out a way to overcome a few limitations. (more…)
Top Stories - Jan 21, 2011 13:44 - 3 Comments
Eyeball camera zooms, zooms, zooms
NORTHWESTERN / U. ILLINOIS (US) — The first curvilinear camera may resemble the human eye, but it does something the eye can’t: it zooms. (more…)
