Muyshondt makes totally over-engineered, no-expense-spared pocket flashlights for camping and other uses, but this one uses an ultraviolet LED made especially for watches — and, more specifically, ...
PHILADELPHIA (WPVI) -- Hospitals have been using ultraviolet lights for years to kill bacteria and viruses and to disinfect surgical areas. That same technology is also sold as wands and other UV ...
An invisible band of radiation with wavelengths from 400 to 10 nm, ultraviolet (UV) light starts at the end of visible light and ends at the beginning of X-rays. The primary source of ultraviolet ...
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