Recent news of invention and engineering:
» Going into the gloom of dark cinema houses, people are likely to stumble, bump into others. Ushers with flashlights are nuisances; small lamps placed near the aisle floors illuminate only small areas. American Cyanamid Co. announced what it considers a better idea: aisle rugs treated with fluorescent dyes, bathed by invisible ultraviolet radiation from small tubes. Such rugs glow softly all over, interfere with nothing on the screen. General Electric's House of Magic at the New York World's Fair has a fluorescent aisle rug.
» For years researchers of Chicago's Swift & Co. hunted for...
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