Tech Gone BadSept. 3, 1925: Shenandoah Crash a Harbinger of Grim FutureBy Tony LongJuly 22, 1962: Mariner 1 Done In by a TypoBy Tony LongJuly 15, 1999: Hey, Sorry About the Beryllium PoisoningBy Randy AlfredJune 10, 2000: A London Bridge Is Swaying HardBy Randy Alfred