Word: boomingly
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Dates: during 1960-1969
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...months ago, a Harvard physicist named William Shurcliff organized a few friends into the Citizens' League Against the Sonic Boom. The group's members--all nine of them--had the unlikely goal of stopping the development and production of the most mammoth project in commercial aviation history, the multi-billion dollar supersonic transport...
...League's basic objection to the supersonic transport (SST), and the one it emphasizes most, is the sonic boom. A sonic boom is the shock wave created by an object flying faster than the speed of sound. The sharp explosive sound is pushed along in front of the object for as long as the supersonic flight lasts. At 1800 miles per hour, or about two and one-half times the speed of sound, the SST would leave behind a 50-mile-wide "bang zone," affecting perhaps five million people on a single flight across...
...will never be too many men in the same place in the event of a direct hit. No one ventures above ground without his flak jacket and helmet, although most Marines carry their helmets and go bareheaded in order to hear incoming shells better. The first warning is the boom of the gun across the Ben Hai River separating the two Viet Nams. Then comes the quavering whistle of the shell tearing through the air, followed quickly by the final sharp bang of its explosion on impact. The whole process takes about eight seconds, giving the Marines time to dive...
...June 1966 after Test Pilot Joe Walker's F-104 Starfighter jet brushed the giant plane's wing, then tore through a rudder during a publicity flight. Since then, tests of XB-70 No. 1 have contributed aerodynamic and thermodynamic knowledge, including studies of the sonic-boom problem that are being used in the development of such heavyweight transports...
Then came World War II-and with it a boom in letter writing, mostly between forlorn servicemen and their wives and girls. Katz came up with Rite-Kit, an inexpensive stationery box that doubled as a writing surface. He formed his own company, and by war's end it was grossing $1,500,000 a year...