News tagged with light energy

Want to get rid of that old tattoo? You're not alone

(HealthDay)—It seems that tattoos are everywhere these days, but along with the increase in people getting inked, the number of Americans undergoing procedures to have a tattoo removed is also on the rise, ...

Feb 09, 2013
popularity not rated yet | comments 1

Medical myth: Reading from a screen harms your eyes

The time most of us spend looking at a screen has rapidly increased over the past decade. If we're not at work on the computer, we're likely to stay tuned into the online sphere via a smart phone or tablet. ...

Oct 19, 2012
popularity 4.8 / 5 (4) | comments 3 | with audio podcast

Why animals don't have infrared vision

On rare occasion, the light-sensing photoreceptor cells in the eye misfire and signal to the brain as if they have captured photons, when in reality they haven't. For years this phenomenon remained a mystery. Reporting in ...

Jun 09, 2011
popularity 4.3 / 5 (4) | comments 3 | with audio podcast

Near infrared fluorescence lights up hidden blood clots

Research presented at SNM's 58th Annual Meeting may mark the expansion of a novel imaging agent for an optical technique called near-infrared fluorescence (NIRF), which uses light energy to glean information about cells and ...

Jun 06, 2011
popularity not rated yet | comments 0