Word: pump
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...first exhibit shows a group of three tin washtubs standing one above the other, with water flowing from the top one down to the bottom in waterfall fashion. Plastic lobsters and fuschia rubber fish make their way down the tanks until the children figure out how to pump the water back up to the top tank again...
...skirmishes and shortages are already evident across the West. In the San Francisco area, once lush gardens are withering under strict water limits. Lake Tahoe has retreated 5 ft. down its banks, leaving popular beaches high and dry, while parched Reno threatens to pump the lake still lower. In Arizona water scouts from the booming cities are roaming the landscape with checkbooks ready, buying farmland 90 miles distant just to get the groundwater rights. The vast Ogallala Aquifer, an underground lake that stretches from South Dakota to Texas, is being overdrawn by wells at a rate...
...pump's inventor, Richard Wampler, 39, a California physician, took his inspiration from pumps he saw in deep wells ten years ago in Egypt. The pump's spinning motion and the resulting continuous flow of blood from the heart represent a departure from the natural pulsating action that most other devices try to mimic. Some researchers at first feared that the whirling blades would destroy blood cells and that the body would be unable to tolerate the nonpulsating blood flow. So far, the problem has not materialized. Another potential drawback: small as the pump is, it may be too large...
...device works in future tests, Wampler and Frazier estimate, it might eventually be used in as many as 150,000 people a year. With a $3,000 price tag, the whirring little pump may be the ultimate rarity in medical technology: a bargain...
...surgeon announces the promising debut of a miniature heart pump that can save lives. -- An AIDS pamphlet for every U. S. home...