Levitation, until now just a cartoonist's gag, a magician's stunt or a children's trick, gained medical respectability last week with the publication of "the case of the flying pig" in The Lancet, most eminent of medical journals.
Even the softest mattress and smooth est linen are rough on patients burned so extensively that they cannot rest in any position without lying at least partly on a burned area; the healing, moreover, is much delayed. Another big class of patient that yearns for levitation is the spinal paralysis victim who gets bedsores. So the University of London's Orthopedic Surgeon John T. Scales got...
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