ultraviolet light
The new cameras allow researcher to capture UV images with just the camera and a lens
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In the short term, the advance should particularly help with organic light-emitting diodes that operate at high energy to emit colors such as green and blue
| 4 min read
Consumers rely too much on sunscreen SPF values, confused by terminology
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Europium and yttrium can be recovered from red lamp phosphor, a powder that is used in fluorescent lamps such as neon tubes
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Animals may avoid high voltage power cables because of flashing UV light that is undetectable to humans, scientists say.
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Commercial uses for ultraviolet (UV) light are growing, and now a new kind of LED under development at The Ohio State University could lead to more portable and low-cost uses of the technology.
| 3 min read
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