News tagged with light signal

A novel in vitro model for light-induced wound healing

Today, during the 39th Annual Meeting of the American Association for Dental Research, convening at the Walter E. Washington Convention Center in Washington, DC, lead researcher C. Millan (U.S. Army Dental Corps, Martinez, ...

Mar 04, 2010
4 / 5 (1) 1

Color sensors for better vision

CMOS image sensors in special cameras -- as used for driver assistance systems -- mostly only provide monochrome images and have a limited sensitivity to light. Thanks to a new production process these sensors ...

Oct 05, 2009
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Lasers generate underwater sound

Scientists at the Naval Research Laboratory (NRL) are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new ...

Sep 04, 2009
4.6 / 5 (9) 6

Ghost remains after black hole eruption

NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole. This is the first detection of such a high-energy apparition, and scientists think it is evidence ...

May 28, 2009
4.8 / 5 (17) 15

Vigilant windows

Is someone sneaking around in front of the window trying to break in? Windows and doors are now being sensitized to suspicious movements: they can detect whether and how quickly something is moving. If it ...

Mar 17, 2009
5 / 5 (1) 0

Bright lights, not-so-big pupils

A team of Johns Hopkins neuroscientists has worked out how some newly discovered light sensors in the eye detect light and communicate with the brain. The report appears online this week in Nature.

Dec 31, 2008
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