ultraviolet

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A glass decanter, with a bulbous bottom ascending into a narrow-necked top and a disc-like stopper, glows electric blue in a dark space.
Year of Glass: Old Glass in a New Light
An electron microscope and ultraviolet illumination can change what we know about the life of a glass object.
Light Filters Water
A low cost UV water filter is making an impact in the field. Mexican non-profit Niparaja teamed with AquaStar and the local Technological Institute on the design of the low cost UV Bucket water filter. AquaStar/Meridian designed the 12V ballast that powers the UV lamp inside the UV Bucket, for use with solar panels in...