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Dates: during 1950-1959
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...Ryan X-13 Vertijet, long rumored and unofficially described, made its official bow at a Pentagon showing last week. Its vertical takeoff, transition to horizontal flight and vertical landing-demonstrated by a movie-were an uncanny spectacle...
...movie the Vertijet made its entrance riding horizontally on a low, flat trailer encrusted with mechanism. Test Pilot Peter F. Girard climbed into the cockpit, a mechanic closed the canopy over his head, and the X-13's Rolls-Royce Avon engine began its whining roar...
Then the bed of the trailer reared slowly upward like the body of a dump truck, carrying the X-13 to a vertical position. It was now hanging by an undernose hook from a short length of cable strung between two movable arms at the top of the vertical trailer bed. Its engine roared louder, and slowly the Vertijet rose, standing on an invisible column of hot racing gases. Its hook now free from the cable, it rose higher. Then it curved gracefully into normal, horizontal flying position and roared away out of sight...
...trouble began March 13 when H. E. Northway, Del's father and manager of the Houston plant of M. W. Kellogg Co., was opening a shipment of intensely radioactive pellets of iridium 192, which Kellogg's nuclear division uses to take X-ray pictures of heavy metal objects. Helped by Jackson McVey and two other men, and working with remote-control apparatus from behind a thick shield, Northway opened the 800-lb. shipping container, took out the sealed metal canister full of deadly pellets and put it on a remotely controlled lathe. When the lathe's tool...
Discussing the hazards of space travel, Whipple discounted solar radiation, X-rays and ultraviolet light. He said that the effects of such radiation on spaceships could be controlled by regulatory reflection...