The Wisteria Table Lamp (Clara Driscoll - Tiffany Studios, c.1905) has a cylindrical shade topped by a dome, so it is a geometric form. But the bottom of the shade has an irregular edge ...
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Organic material can convert toxic heavy metal to harmless formResearchers from the University of Waterloo have discovered that a special form of charcoal is highly effective at absorbing toxic chromium and transforming it into its safer form. Chromium is a ...
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