Word: diameterically
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Dates: during 1980-1989
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To gather evidence of damage, the U.S. Forest Service each decade resurveys thousands of one-acre plots, checking the diameter and height of trees and looking for portents of new growth. The ongoing survey of Southern Piedmont woodlands shows that in the past ten years the growth rate of loblolly...
The final distinctive features of the launch pad are three massive flame ducts, each 50 ft. high and 70 ft. wide, that will vent the tremendous energy released during lift-offs. Seven seconds before takeoff, an underground pipe 10 ft. in diameter will flood the ducts in less than 30...
But the contents of that refrigerator would be much more difficult to dispose of than all those ash-laden trucks. Coal ash is essentially inert and harmless. Used nuclear fuel rods, which are 12 ft. long and ½ in. in diameter and are fastened together in bundles reminiscent of the...
Although the lost satellite cast a shadow over the mission, Challenger's commander, Vance Brand, 52, a former Marine pilot on his third spaceflight, and his four crewmen, including Copilot Robert ("Hoot") Gibson, 37, a space novice, faced other weighty matters. In many ways Flight 41-B, as the...
Like pieces of an exquisitely machined Erector set, these parts can be fitted together in different ways. For its debut next week, Spacelab has been configured in what designers call its "long module": the two cylinders have been mated to form one continuous workshop, about 13 ft. in diameter and...