London: Researchers in Belgium have developed a device which, when exposed to light, can purify air and at the same time generate power. “We use a small device with two rooms separated by a membrane”, explained Professor Sammy Verbruggen from the University of Antwerp and KU Leuven (University of Leuven). “Air is purified on one […]
Washington: Facebook and Twitter users do not experience increased stress than non-users, but are more aware of negative events in their friends' lives, a new study has found.
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