The man on the opposite page is not made up for a Hollywood horror movie.
He is undergoing a sensitive and still experimental examination designed to detect changes in blood flow and temperature that may be produced by vas cular disorders. Capable of indicating temperature variations as small as .047° F, the liquid crystals he has been painted with were originally developed for testing mechanical stresses in deli cate instruments. But their quickly identifiable color changes may prove far more valuable for humans.
Such new diagnostic techniques are typical of a whole sunburst...
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