Word: karst
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Dates: during 1960-1969
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...orders. The soldier is supposed to follow commands because he understands the reasons for them, rather than jawohl-ing out of automatic respect for, or fear of, authority. Though all officers are obliged to take courses in Innere Führung, some are unhappy about it. Brigadier General Heinz Karst charges that inner direction has produced an "unsoldierly army...
...Professor Hans-Joachim Martini, director of West Germany's Federal Geological Survey, the basic idea still seemed sound, so he cleverly worked out a new version of Djordjevitch's plan. For melting snow, Martini substituted electric pumps to compress the air. For the Karst caves, he substituted abandoned salt or potash mines surrounded by nonporous rock that is easy to seal. Cheaper electricity is available during off-peak (usually early morning) hours when the demand is low, and Martini figured it could be used to pump air into the mines. The compressed air could be released during hours...
Yugoslav Geologist Bozidar Djordjevitch had an ingenious idea. Every spring, he said, water from melting snow pours into Yugoslavia's Karst caves, compressing air that whistles out through vents in the earth's surface. Why not seal the caves and funnel the escaping air to gas turbines, which could convert it into useful energy? Djordjevitch soon had an answer: the caves are vented in too many places; they are almost impossible to seal...