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 ...

dateFeb 17, 2011 in General Physics
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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.

dateJul 15, 2010 in General Physics
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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, ...

dateDec 18, 2009 in Nanophysics feature
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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 ...

dateMar 11, 2009 in Optics & Photonics
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