Optical Society of America

A 3-D light switch for the brain

A new tool for neuroscientists delivers a thousand pinpricks of light to a chunk of gray matter smaller than a sugar cube. The new fiber-optic device, created by biologists and engineers at the Massachusetts ...

dateNov 19, 2012 in Optics & Photonics
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Best yet test of Lorentz invariance

The more crucial a physical law is, the more important it is to keep testing it. One of the most important laws formulated in the last century or so is Albert Einsteinэs principle of invariance, which says that there ...

dateOct 25, 2010 in General Physics
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Insect eyes inspire improved solar cells

(PhysOrg.com) -- The eyes of moths, which allow them to see well at night, are also covered with a water-repellent, antireflective coating that makes their eyes among the least reflective surfaces in nature ...

dateJan 20, 2011 in Optics & Photonics
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Long distance, top secret messages

When the military needs to send the key to encrypted data across the world, it can't necessarily rely on today's communication lines, where the message could be covertly intercepted. But physicists at the Georgia Institute ...

dateOct 19, 2010 in Quantum Physics
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A phone with the ultimate macro feature

If you thought scanning one of those strange, square QR codes with your phone was somewhat advanced, hold on to your seat. Researchers at the University of California, Los Angeles (UCLA) have recently developed ...

dateApr 29, 2015 in Analytical Chemistry
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Enhancing solar cells with nanoparticles

Deriving plentiful electricity from sunlight at a modest cost is a challenge with immense implications for energy, technology, and climate policy. A paper in a special energy issue of Optics Express, the Optical Society's (OSA) ...

dateDec 23, 2008 in Nanophysics
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