Word: digging
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Dates: during 1960-1969
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...Rand Corp., at the suggestion of Dr. Edward Teller, director of the Lawrence Radiation Laboratory in Livermore, Calif. Rand mathematicians theorized that any underground explosion can be "decoupled" by placing it in a large enough cavity, and thus can defeat the detection network. If anybody cared enough to dig a cave 3,000 ft. down and 950 ft. in diameter-an excavating job equal to removing a mass of material equal in volume to the concrete in 42 Grand Coulee dams-it would muffle a 300-kiloton bomb so much that the explosion "might be made to appear seismically like...
Last week the cross-Channel dig was back in the news. After two years of underwater testing and 56,000 interviews with Dover-to-Calais travelers, a combined group of English, French and U.S. engineers and economists prepared to announce, in a $700,000 report, that a tunnel through the chalk strata between England and France was both technically and economically feasible. Sir Ivone Kirkpatrick, onetime head of the Foreign Office, and now co-chairman of the Channel Tunnel Study Group, indicated that the 36-mile rail tunnel under the Channel would cost over $300 million, could bring...