News tagged with emergency signal
Twist-and-glow molecules aid rapid gas detection
In an emergency such as a factory fire, ascertaining which gases are present in the air is critical to preventing or minimizing poisoning (Fig. 1). This requires gas sensors that react quickly and provide ...
Jan 13, 2012 |
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Unraveling plant reactions to injury
Better understanding of plant defense systems, and the potential to generate stress-tolerant plants and even new malaria drugs, may all stem from the documentation of a molecular mechanism that plays a significant ...
May 27, 2011 |
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Emergency detection systems for senior citizens
Elderly people living alone have a dangerous life: after a fall, they often spend hours lying on the floor before their situation comes to anyone's attention and a doctor is contacted. A new system automatically ...
Feb 04, 2011 |
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Wi-Fi signals can see through walls
(PhysOrg.com) -- Researchers at the University of Utah, USA, have discovered that variations in signal strengths in wireless networks can be used to "see" movements of people on the other side of walls or ...
Oct 05, 2009 |
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Random Antenna Arrays Boost Emergency Communications
(PhysOrg.com) -- First responders could boost their radio communications quickly at a disaster site by setting out just four extra transmitters in a random arrangement to significantly increase the signal power at the receiver, ...
Feb 25, 2009 |
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