Word: filter
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...tiny light bulb emitting red and infra-red rays will shine through the ear lobe to illuminate a small photoelectric cell. As the oxygen saturation of the pilot's blood drops below its normal 98%, it will turn a darker, heavier red. Less light will filter through his ear lobe and less current will be given off by the photoelectric cell. A red warning light, connected to the ear unit, will flash in time for the pilot to repair his oxygen supply or get his plane down to a safe altitude...
...Sleepers. The Pfizer Co.'s interest in livestock began with the discovery that its antibiotic, terramycin, when mixed with the feed, increases the growth rate of pigs. At first the Pfizer pigmen tried feeding terramycin to the brood sow, in hopes that some of the strengthening drug would filter down in her milk. This proved impractical; it took too much terramycin. Then Pfizer decided to take the piglets away from their mothers at the age of two days and raise them on synthetic sow's milk spiked with terramycin...
...book, Physician Winter tries to filter Hubbard's strange mixture and pick out the scraps fit for human consumption. He rejects such gimmicks as the mental "file clerk," invented by Hubbard to chase about in the mind in search of mislaid impressions, and scoffs at the Hubbardians' "Guk" program. "Guk" was a mixture of vitamins and glutamic acid which was supposed to make dianetics subjects "run better...
...method has been tried only in the laboratory. Among their test shots, the inventors have two pictures of a glowing filament covered by a dense filter that made it invisible to the naked eye. One picture, taken directly on a photographic plate, showed only a dim trace of the filament after a six-hour exposure. The other, taken with speeded-up electrons, showed the whole filament clearly after only four minutes...
When an engineer finds something wrong with a pump or a filter, he can order a new one. Doctors dealing with the human blood system cannot. This week researchers at the University of California announced that they have found a new way of getting around the difficulty: they have linked two people together, through their arteries, so that both have a common circulation like Siamese twins...