News tagged with beams of light

Scientists build world's first anti-laser

More than 50 years after the invention of the laser, scientists at Yale University have built the world's first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly ...

Feb 17, 2011
4.6 / 5 (44) 18 | with audio podcast

Shutting Off the Large Hadron Collider

On hilly parts of the Interstate highway system, road engineers provide steep-grade areas with gravel off-ramps for trucks that lose their brakes. The ramps bring the big rigs to a rough but safe halt.

Jul 15, 2010
4.7 / 5 (15) 5 | with audio podcast

Light-Driven Nanorod Could Roll on Water

(PhysOrg.com) -- In a recent study, researchers have examined the possibility of rolling a nanorod on the surface of water. On the macroscale, perhaps the closest analogy might be the sport of logrolling, ...

Dec 18, 2009 feature
4.1 / 5 (10) 1

Shining light on diabetes-related blindness

A group of scientists in California is trying to develop a cheaper, less invasive way to spot the early stages of retinal damage from diabetic retinopathy, the leading cause of blindness in American adults, before it leads ...

Mar 11, 2009
5 / 5 (3) 0