Word: compressional
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Ghosts Know. The speed of sound! That magic and frightening quantity dominates the dreams of high-speed plane designers. It is no mere landmark, no mere handy figure for public relations officers. It is basic: the speed with which a "compression wave" (whether a faint whisper or the crushing shock...
When the public and the critics decided back in 1931 that they liked "Mourning Becomes Electra," they were welcoming the most ambitions, and perhaps even the most dramatically effective effort ever seen in the American theater. The play, a modern version of Aeschylus' resounding and grisly trilogy, "The Oresteia," lasted...
The task was obvious: compression (as Balkan Communists now call the elimination of political undesirables).
Loud Holes. This is roughly the way many sirens work, but Inventor White has added something extra. The channels in his steel disc are designed to act as resonators, i.e., to intensify sound waves. When they are closed by the wheel's teeth, the air rushing through them stops...
First came a whiplike crack. The rocket, traveling faster than sound, set up a compression wave which bounced from the point of strike and hit the ear a split second before the terrific crump as the explosive let go-just time enough to flex a forearm across the face against...