Physicists Have ‘Solved’ Mystery of Levitation

Levitation has been elevated from being pure science fiction to science fact, according to a study reported today by physicists. In earlier work the same team of theoretical physicists showed that invisibility cloaks are feasible. Now, in another report that sounds like it comes out of the pages of a Harry Potter book, the University of St Andrews team has created an incredible levitation effects by engineering the force of nature which normally causes objects to stick together. Professor Ulf Leonhardt and Dr Thomas Philbin, from the University of St Andrews in Scotland, have worked out a way of reversing this pheneomenon, known as the Casimir force, so that it repels instead of attracts. Their discovery could ultimately lead to frictionless micro-machines with moving parts that levitate But they say that, in principle at least, the same effect could be used to levitate bigger objects too, even a person

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