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Now they have something that works like a flatbed document scanner, with a scanning head containing either six or 12 light-emitting diodes, each emitting light of a specific wavelength between 350 nanometres (ultraviolet) and 800 nanometres (infra-red).
ECONOMIST: Monitor
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And when Dr Anderson injected the modified vesicles into mice and then shone ultraviolet light of a wavelength that can pass through flesh at some of them, he found the tactic worked.
ECONOMIST: Drug delivery
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In 1998 chipmakers took up so-called deep ultraviolet light, which has a wavelength of 0.248 microns.
FORBES: Trick of the Light
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In the late 1980s they turned to ultraviolet light, which has a shorter wavelength (0.435 microns and smaller).
FORBES: Trick of the Light
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In the late 1980s they turned to ultraviolet light, which has a shorter wavelength (0.435 microns and even smaller).
FORBES: Trick Of The Light