Airmen firmly believe that this timetable, representing a cross-continent flight in the three-hour time difference between the coasts, will eventually be fact. But before it is, aeronautical engineers must learn much more than they now know about how airand airplanesbehave at speeds up to and greater than the speed of sound (740 m.p.h.). The completion of three new laboratories for this studythree new $2,000,000-plus wind tunnels was announced last week.
Two of the tunnels, designed to discover how fast and high a plane can go before it burns up, falls apart or bursts,...
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