Word: sensor
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Dates: during 2000-2009
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...least 15 Washington stations also have chemical sensors. That leaves some 30 stations unprotected, and the sensors are still not perfect. But they are a good--and expensive--part of a larger surveillance strategy. If a sensor goes off, Metro officials check out the platform using closed-circuit video. They scan for odd packages or riders showing signs of illness. The idea is to identify a problem--fast--so evacuation can begin. That's because while a train bombing is bad, a biological, chemical or radiation attack on a train is an epidemic snaking through a city...
...have an ADT security system, the Panasonic KX-TG2970B SecurityLink cordless phone panasonic.com and adt.com $200) can extend your home-security capabilities. The phone acts as a mobile control unit to arm or disarm your system from anywhere in the house, and it emits audible warnings if a sensor is triggered on your grounds. The phone features panic-button options that put you in immediate touch with the security company and a 24-hour emergency-power backup, so that it can keep protecting you even during a blackout...
...Targeting sensor Can collect images of the comet until 3 sec. before impact...
...lies naked on an open diaper, his toy legs sometimes kicking and his left hand resting on an ECG sensor just above his hiccuping diaphragm. A cloth shield protects his eyes. His diet, called "hyperalimentation," runs through an intravenous catheter to his umbilical artery. A nurse, who cares for two such children, checks his vital signs every two hours. On a piece of tape holding an endotracheal tube to his cheek, one of the nurses has written...
...aborted the launch 3 sec. before takeoff. The 112-ton spacecraft blasted off 17 days later, but 5 min. 15 sec. into the flight, a monitoring device reported that one of the three main engines seemed to be heating up to a dangerous 1,950 °F. That sensor alerted the onboard computer, and for the first time in the 24-year history of the U.S. manned space, an engine was shut down in flight. But as the craft hobbled bravely heavenward, mission control decided that the seven crew members should proceed with the flight at a stunted orbit...