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Browsing the "light" Tag

Scientists Create New “Invisible” Material

July 11th, 2011 | by Tina Casey

Forget the merely invisible, scientists at Columbia Engineering School have created a new material that behaves as if it doesn't even exist, at least when it comes to light. The new material is a nanoscale structure that allows light to pass through as if it was traversing empty space. In very general terms, that means the light does not slow down or "bend" when it exits the material.


Quantum Tunneling Composites Lead to a More Efficient Flashlight, And More!

July 8th, 2011 | by Aaron Fown

Most of us have grown up in an environment where power comes from a plug in the wall, and lights are fixtures or lamps that take advantage of that system. But in many parts of the world, this infrastructure doesn't exist, and so people spend a lot of money on dirty, smelly Kerosene to light their houses at night. Something so simple as a bright, dependable LED flashlight can be an excellent leapfrogging technology for people in such places, as it can provide clean, safe light that can be 'filled up' with a tiny solar battery charger


LED Equivalent to 100-Watt Bulb Announced

May 18th, 2011 | by Glenn Meyers

Incandescent lighting enthusiasts who like bright lights but have witnessed a shrinking list of options can have some refreshment; Switch Lighting has announced the first ever LED equivalent to a 100-watt bulb


New $3 LED Bulb Lasts 60 Years

January 29th, 2009 | by Ariel Schwartz

The battle between CFL and LED bulbs may finally be over thanks to researchers at Cambridge University who have developed [&hellip



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