Science: Helium

The U. S. Navy Department and the Bureau of Mines last week announced successful experiments anent a new use for helium. Faced with severe diffculties in diving operations to raise the sunken submarine S-51 from 128 feet of water off Block Island (TIME, Oct. 5, 12), experts designed a compression chamber wherein animals were supplied with various mixtures of oxygen to find a combination that did not give them "caisson disease" or "the bends," as divers call the dangerous condition produced when they are brought too swiftly out...

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