The process is simple : 6-to 12-foot lamps inside the pipes expose the passing water to the ultraviolet radiation, which essentially is invisible light.
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But the invisible light waves pose new problems : They can be absorbed by air and lenses typically used to focus patterns onto chips.
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When the electrons decay, in a process called fluorescence, they emit invisible light close to the ultraviolet and infrared parts of the electromagnetic spectrum.
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One of the latest technologies in toys, licensed by Mattel and Hasbro, is called Video Encoded Invisible Light, or VEIL, created by Veil Interactive Technologies.
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Dazzlers emit infrared or invisible light against various electronic sensors, and visible light against humans, when they are intended to cause no long-term damage to eyes.
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By comparison, a human hair is 20 microns in diameter and a wavelength of invisible light is half a micron, Mead explained in an interview Thursday.
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To light up each pixel ( i . e . each LED ), commands are sent from computers to transmitters that emit invisible light ( infrared ).
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In a demonstration reported in this week's issue of the journal Nature, the researchers say they successfully exchanged encryption keys transmitted on a beam of invisible light.
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In 1949, he led a team that built an electronic device employing both visible and invisible light to determine the quantities of the constituents of a cell.
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""'Invisible Light "'" is a song by American band Scissor Sisters, serving as the third and final single from their third studio album " Fire with Fire ".
