Science: Cool Stars

Floodlights commonly used in cinema studios may heat up small sets, make actors too uncomfortable to do their best work. Beads of sweat on shapely noses and fine foreheads will ruin takes. Last week a bulky Dutch physicist named Cornells Bol, working at Stanford University, had film producers interested in a tiny, super-powerful lamp which will keep their stars cool while working.

Bol's lamp is a stout, strongly sealed quartz tube less than a quarter-inch in outside diameter, with an inside diameter of .08 to .04 in. It contains neon to start an electric...

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