News tagged with sensor networks
Trains’ vibrations could provide power for monitoring tunnels
(PhysOrg.com) -- Traffic tunnels are often built in some of the most rugged and remote areas, which subjects them to extreme environmental forces while making them difficult to access. Ideally, the structural ...
Aug 08, 2011 |
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Shake, rattle and ... power up? A new MEMS device generates energy from small vibrations
Today's wireless-sensor networks can do everything from supervising factory machinery to tracking environmental pollution to measuring the movement of buildings and bridges. Working together, distributed sensors ...
Sep 14, 2011 |
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Solar-powered nano sensor targets gases more polluting than carbon
(PhysOrg.com) -- A solar-powered sensor station to monitor in real time the concentration of gases that are key culprits in climate change and air pollution has been installed on a QUT Gardens Point roof as ...
May 30, 2011 |
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Most powerful millimeter-scale energy harvester generates electricity from vibrations
(PhysOrg.com) -- Electrical engineers at the University of Michigan have built a device that can harness energy from vibrations and convert it to electricity with five to ten times greater efficiency and power ...
Apr 26, 2011 |
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Fruit fly nervous system provides new solution to fundamental computer network problem
(PhysOrg.com) -- The fruit fly has evolved a method for arranging the tiny, hair-like structures it uses to feel and hear the world that's so efficient a team of scientists in Israel and at Carnegie Mellon ...
Technology / Computer Sciences
Jan 13, 2011 |
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Network turns soldiers' helmets into sniper location system
(PhysOrg.com) -- Imagine a platoon of soldiers fighting in a hazardous urban environment who carry personal digital assistants that can display the location of enemy shooters in three dimensions and accurately ...
Mar 24, 2009 |
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IBM making the Louvre Museum smarter
IBM on Monday revealed an alliance with the venerable Louvre Museum to use sensors, real-time data analysis and other Internet Age tools to make the museum smarter.
Technology / Hi Tech & Innovation
Mar 05, 2012 |
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Ambient electromagnetic energy harnessed for small electronic devices
(PhysOrg.com) -- Researchers have discovered a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems. ...
Jul 07, 2011 |
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Japan company developing sensors for seniors
Japan's top telecoms company is developing a simple wristwatch-like device to monitor the well-being of the elderly, part of a growing effort to improve care of the old in a nation whose population is aging ...
Technology / Hi Tech & Innovation
Feb 23, 2011 |
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Toward computers that fit on a pen tip
A prototype implantable eye pressure monitor for glaucoma patients is believed to contain the first complete millimeter-scale computing system.
Feb 22, 2011 |
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New algorithm enables much faster dissemination of information through self-organizing networks
As sensors that do things like detect touch and motion in cell phones get smaller, cheaper and more reliable, computer manufacturers are beginning to take seriously the decade-old idea of "smart dust" -- networks ...
Technology / Computer Sciences
Jan 11, 2011 |
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Collective memory: Preserving information in constantly changing networks, without resorting to shared server
As computing power continues to move from the desktop to portable devices, the nature of communications networks will change radically. A network in which devices are regularly being added and removed, and ...
Technology / Computer Sciences
Dec 10, 2010 |
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Students create portable device to detect suicide bombers (w/ Video)
(PhysOrg.com) -- Improvised explosive devices (IEDs), the weapons of suicide bombers, are a major cause of soldier casualties in Iraq and Afghanistan. A group of University of Michigan engineering undergraduate students have ...
Jun 24, 2009 |
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Revolutionary sensor system protects ports, bridges and distribution centres
(PhysOrg.com) -- Özlem Durmaz Incel, researcher at the University of Twente, the Netherlands, has developed a spectacular new method that enables wireless sensor networks to function up to ten times more efficiently. Networks ...
Apr 27, 2009 |
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New protocol enables wireless and secure biometric acquisition with web service (w/ Video)
Researchers at the National Institute of Standards and Technology (NIST) have developed and published a new protocol for communicating with biometric sensors over wired and wireless networks—using some of the same technologies ...
May 03, 2012 |
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