News tagged with light

Explainer: What is proton therapy?

When you stand in the 27km-long Large Hadron Collider tunnel deep under Switzerland and France it looks as if the chain of blue magnets simply stretches off to infinity. So when people talk about putting ...

Aug 01, 2013
popularity not rated yet | comments 0

Your eyes are half a billion years old

Look after your eyes – they are at least half a billion years old, and a good deal older than your brain. The eyes are one of our most remarkable and precious organs, yet their origins have been shrouded ...

Jul 30, 2013
popularity 4.3 / 5 (18) | comments 5 | with audio podcast

New cancer imaging technology shows promise

(Medical Xpress)—A new imaging technology that combines ultrasound and laser technologies has been shown to be highly effective in identifying prostate cancer. The system, which was developed by University of Rochester ...

Jul 19, 2013
popularity 5 / 5 (1) | comments 0 | with audio podcast

Are smartphones disrupting your sleep?

Smartphones and tablets can make for sleep-disrupting bedfellows. One cause is believed to be the bright light-emitting diodes that allow the use of mobile devices in dimly lit rooms; the light exposure can interfere with ...

Jun 03, 2013
popularity 3 / 5 (2) | comments 0