Word: chaff
(lookup in dictionary)
(lookup stats)
Dates: during 1960-1969
Sort By: most recent first
(reverse)
...that sets the guidance system on a new track, tilting it 60° from the horizontal. An electric impulse fires explosive bolts to kick off a re-entry capsule, a retrorocket slows the capsule's speed, a drag parachute pops out, a radio beacon shrills signals, and aluminum chaff is released to show on the radar screens of the recovery aircraft and ships waiting anxiously below. All this must be accomplished on a rigid time schedule with millisecond accuracy if the Discoverer is to be successfully recovered...
...prevalence range from 5% to 25%. Heredity, sex, race, body type, personality, stress, pregnancy, occupation, diet and climate have been listed as all-important-and of little significance in its development. Mortality, among patients followed for ten years, ranges from 12% to 91%. After sifting all this chaff and studying almost 3,000 patients, Dr. Perera said that he has reached these conclusions...