Word: tankful
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Dates: during 1970-1979
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Full Diet. Then the algae-enriched water is fed into the middle pond, where the microscopic plants provide feed for tiny crustaceans called daphnids, or water fleas. Finally, water containing fleas and algae flows back into the bottom tank, where it provides a full diet for the tilapia. Nothing is wasted: in the warm greenhouse space above the ponds, the new alchemists grow vegetables even in the dead of the New England winter. The plants are fertilized by the nutrient-laden fish water. To protect their harvests against bugs, the scientists have brought insect-eating frogs, spiders and chameleons instead...
...Werft's Kiel shipyards produce "special ships" (read: submarines) for Latin America, while the state-owned Fritz Werner corporation exports entire ready-to-roll munitions factories. Bonn's Leopard tank is highly regarded: Washington may test an advanced Leopard, along with prototypes by General Motors and Chrysler, in a competition to select the U.S. Army's main battle tank for the 1980s...
Saudi Arabia, whose oil lifeline also runs through the Gulf, has likewise turned to the U.S. for arms and found some sympathetic ears. The Pentagon has advised the Saudis that they should substantially expand their armed forces over the next decade by adding a mechanized brigade, at least one tank battalion, an air force wing, attack helicopters and coastal-defense vessels. "I do not know of anything non-nuclear that we would not provide the Saudis," says a U.S. military official in Jeddah. "We want to sell, and they want...
...highly competitive world of weaponry, some military hardware is considered more desirable than others. An artist's rendition of the most sought-after arms on the market today (from lower left): Soviet Union's T-55 battle tank (estimated exports: 14,500), AK-47 combat rifle (225,000), SA-2 ground-to-air missile (8,000) and MIG-21 fighter-bomb er (1,900); the U.S.'s Sidewinder air-to-air missile (12,000), CH-47 Chinook helicopter (309), F-4 Phantom fighter-bomber (1,100), C-130 Hercules transport (230), F-5 fighter-bomber...
...wide of a target illuminated with a laser beam projected by a forward observer. A "seeker" in the nose of the shell picks up the laser reflection, controls the fins and thus guides the shell to the target. Another application of the laser is giving tank guns more accurate range finders. Once they get a target in their sights, tank gunners merely press the laser button, hitting the enemy with the beam. An on-board computer then gauges the reflected light, makes nine separate calculations and fires the gun. In tests, the system has provided up to 40% more first...