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black light |
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black light: see ultraviolet radiation ultraviolet radiation, invisible electromagnetic radiation between visible violet light and X rays; it ranges in wavelength from about 400 to 4 nanometers and in frequency from about 1015 to 1017 hertz.
..... Click the link for more information. . black light [′blak ‚līt] (optics) Invisible light, such as ultraviolet rays which fall on fluorescent materials and cause them to emit visible light. black light Invisible ultraviolet electromagnetic energy near the visible spectrum; useful for exciting fluorescent paints, dyes, etc., so that they become visible. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | The newest addition to the line of BlackLite electroluminescent displays, Model LX-I-320x240. |
Blacklite |
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