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Tube: EM-11 (6U5G) Magic Eye tube (tunning tube)
Posted inHardware Tubes

Tube: EM-11 (6U5G) Magic Eye tube (tunning tube)

Posted by By Radu Motisan October 29, 2010
EM-11 is a magic eye tube, used in old radios for tunning. See some schematics on how to use this tube, for some green, fluorescent effects!
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Ultraviolet Light
Posted inHardware High Voltage Optics

Ultraviolet Light

Posted by By Radu Motisan May 9, 2009
Powering UV light tubes. A short comparison between UVA and UVC.
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Glass and… Uranium?!
Posted inHardware Nuclear

Glass and… Uranium?!

Posted by By Radu Motisan November 17, 2008
UV fluorescence of uranium doped glass marbles.
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