Science: Daredevil v. Icebox

SCIENCE

Several Army and Navy officers, a few scientists including Radio Engineer Greenleaf Whittier Pickard, a doctor or two, some newshawks, a dentist, the head of Liquid Carbonic Corp. and a handful of his employes stood in a circle last week in the company's one-story brick building in the malodorous gashouse district of Cambridge, Mass. In the middle of the room was a steel tank big enough to hold a pony. It was lined with i.ooo Ib. of frozen carbon dioxide, popularly called "dry ice." The temperature inside was somewhere between — 100° and...

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