Klutzes of the world rejoice: a new type of "unbreakable" wineglass is here to save you from yourselves. French glass and tableware manufacturer Arc International , www.arc-international.com , has developed

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nginx/1.14.0 (Ubuntu) a handblown crystal that it says is hard enough to be banged vigorously and repeatedly on a table or floor without breaking. That's not the only advantage of the new material, which Arc has dubbed Kwarx (the formula is a trade secret). The color of wine is said to be more faithfully perceived because of Kwarx's perfect neutrality on the chromatic scale, and the material has...