Word: sensor
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WAYNE HALE of NASA, on the scrubbed launch of the space shuttle Discovery because of a faulty fuel-tank sensor...
...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...