Word: belt
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Dates: during 1950-1959
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...talks on the run, quickly and crisply. One remembers only the shop preparing pork cutlets. Women work here. Silent, unsmiling, strained faces. Their hands automatically are raised and then lowered, again raised and with difficulty chop off a piece of meat from the inexorably moving carcasses on the conveyor belt. Blood runs down on the dirty, pock-marked cement floor. The monotonous humming of the conveyor, the hoarse breathing of the women meat workers, and the stagnant stench of the poorly ventilated premises...
...Allen's conclusions were confirmed when Pioneer IV soared past the moon and into orbit around the sun. Its tiny, 1-lb. radio transmitter, which was followed by Jet Propulsion Laboratory's receiving stations for 400,000 miles, reported that the outer radiation belt does not die off evenly. Beyond it are irregular bursts of radiation that may be clouds of electrons and protons arriving fresh from the sun. Such invisible clouds in space may prove serious hazards for future deep-space voyagers...
...settle into a slim, elliptical orbit, soaring out six earth radii (24.000 miles) at apogee. It should stay up for hundreds of years, and it will have solar batteries to keep its radio voices alive for a long time. Its duty will be to report continuously on the radiation belt, study how it is affected by sunspots and other solar eruptions. Its fluctuations may have important effects on the earth's weather...
...four lower lines on the chart were made by the instruments of Explorer IV while it was passing through the inner Van Allen belt of heavy radiation. Channel I is from a Geiger tube set up to give a pulse when 64 radiation particles have passed through it, is thus intended to record areas of relatively low radiation. Here the radiation is so heavy that the counter is swamped and no meaningful count is recorded. Its small oscillations are mere radio noise...
...deeper they are, the greater the energy. The depressions come in cycles reflecting the tumbling of the satellite, but some of the energy is recorded when the scintillator is "looking away" from the direction of the radiation. This reveals that the lower part of the Van Allen radiation belt contains particles powerful enough to pass through the shielding around the scintillator...