News tagged with wireless sensor
Related topics: sensors
Artificial muscle as shock absorber
Engineers are working on intelligent materials that can diminish vibrations and extract power from the environment. These electro-active elastomers could dampen annoying vibrations in a car, for example, or ...
6 hours ago |
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Nimbus Lab sends up quadrotors for wireless charging (w/ Video)
(Phys.org) -- Researchers at the University of Nebraska-Lincoln’s Nimbus Lab are exploring wireless power transmission as a way to power devices. They have designed and built a custom power-transfer and ...
May 31, 2012 |
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Energy harvesting skin generates power from air conditioners
(PhysOrg.com) -- Devices that harvest ambient energy from the surrounding environment have become popular since, for some applications, they eliminate the need for batteries that must constantly be replaced. ...
Apr 20, 2011 |
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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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CNT paper-based wireless sensor could help detect explosive devices
(PhysOrg.com) -- Researchers at the Georgia Institute of Technology have developed a prototype wireless sensor capable of detecting trace amounts of a key ingredient found in many explosives.
Nanotechnology / Nanomaterials
Oct 27, 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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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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Textile-based cardiac sensors integrated into conventional sports bra and vest
An interdisciplinary team of engineers at the University of Arkansas has developed a wireless health-monitoring system that gathers critical patient information, regardless of the patient’s location, ...
May 04, 2012 |
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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 |
4.7 / 5 (14) |
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Home's electrical wiring acts as antenna to receive low-power sensor data
If these walls had ears, they might tell a homeowner some interesting things. Like when water is dripping into an attic crawl space, or where an open window is letting hot air escape during winter.
Sep 15, 2010 |
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Salt and Paper Battery May One Day Replace Lithium Batteries
(PhysOrg.com) -- Salt and paper battery can be used in many low-power devices, such as medical implants, RFID tags, wireless sensors and smart cards. This battery uses a thin-film which makes it an attractive ...
Technology / Energy & Green Tech
Sep 15, 2009 |
4.6 / 5 (18) |
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UK scientists develop optimum piezoelectric energy harvesters
Scientists working as part of the Metrology for Energy Harvesting Project have developed a new model to deliver the maximum power output for piezoelectric energy harvesters.
Mar 02, 2012 |
4.4 / 5 (7) |
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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 |
4.4 / 5 (17) |
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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 |
4.4 / 5 (8) |
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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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