Word: sensor
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...fingerprint Authorizer, for instance, has inspired its designers to anticipate an underworld market in Authorizer-equipped cell phones being operated with lopped-off fingers. "No system would fly if part of your anatomy is threatened and is necessary to secure what could be substantial assets," says Scott. So the sensor in the phone doesn't merely read a static fingerprint. It also looks for proof of life--blood flow, tissue elasticity and capillary structure. It also uses an anxiety index being developed by the University of Michigan medical school to measure stress-induced, minute changes in capillaries and sweat glands...
...thousands of deadly warheads surrounded by a nebula of hurtling decoys and debris. In half an hour, this lethal ''threat cloud'' would be over the U.S., raining destruction on cities and military targets alike. Trying to stop this deluge would require enormous technological breakthroughs in at least four areas: sensors, lasers, particle beams and computer programming. Should such advances occur, SDI proponents argue, a reasonably effective Star Wars defense would reduce to virtually zero the number of Soviet intercontinental ballistic missiles (ICBMs) getting through outer space to their targets. But critics respond that virtually zero is not enough when nuclear...
...early stages of metamorphosis," DARPA says. "Since a majority of the tissue development in insects occurs in the later stages of metamorphosis, the renewed tissue growth around the MEMS will tend to heal, and form a reliable and stable tissue-machine interface." Such bugs "could carry one or more sensors, such as a microphone or a gas sensor, to relay back information gathered from the target destination...
...between security and sanctity. Solid locks on the doors, external lighting at night, an off-site safe to lock away valuables when the church is closed - the security measures don't have to be complicated or expensive. "You can do a lot with something as simple as a motion sensor and a length of fishing line," says art historian Charney. "Attach the sensor to the fishing line, then hang it on an object that's never supposed to move." Charney has grown so concerned about the theft of religious art that he recently formed the Association for Research into Crimes...
...haven't there been more fires at the White House? A serious fire detection system was installed in 1965. And it's very sensitive. When a sensor detects smoke, a warning goes off in the Secret Service's control center in the White House. The D.C. Fire Department is quickly called, and at least five engines and two ladder trucks respond from any one of several surrounding stations.(A unit is on hand anytime a helicopter takes off or lands at the White House...