News tagged with sensor networks

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 ...

Technology / Engineering

created Mar 24, 2009 | popularity 4.4 / 5 (17) | comments 8

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 ...

Technology / Engineering

created Apr 26, 2011 | popularity 4.8 / 5 (15) | comments 6 | with audio podcast

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

created Jan 13, 2011 | popularity 4.7 / 5 (14) | comments 2 | with audio podcast

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. ...

Technology / Engineering

created Jul 07, 2011 | popularity 5 / 5 (9) | comments 14 | with audio podcast

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 ...

Technology / Engineering

created Jun 24, 2009 | popularity 4.2 / 5 (9) | comments 0

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.

Technology / Engineering

created Feb 22, 2011 | popularity 4.4 / 5 (8) | comments 4 | with audio podcast

ANDE-2 satellite deployed from Space Shuttle Endeavour

The Naval Research Laboratory's satellite suite, the Atmospheric Neutral Density Experiment 2 (ANDE-2), was deployed from NASA's Space Shuttle Endeavour on July 30, 2009.

Space & Earth / Space Exploration

created Aug 05, 2009 | popularity 4.8 / 5 (6) | comments 0

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 ...

Technology / Engineering

created Aug 08, 2011 | popularity 3.8 / 5 (6) | comments 4 | with audio podcast feature

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

created Feb 23, 2011 | popularity 4.8 / 5 (4) | comments 0

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

created Jan 11, 2011 | popularity 4 / 5 (4) | comments 0 | with audio podcast

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 ...

Technology / Engineering

created Apr 27, 2009 | popularity 5 / 5 (3) | comments 0

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

created Dec 10, 2010 | popularity 3.8 / 5 (4) | comments 4 | with audio podcast

Sniffing out terrorists

A new intelligent system has been developed to help identify terrorists carrying explosives. Sensitive electronic noses capture the smell of the explosives; the system processes the acquired data, correlates it with individuals' ...

Technology / Engineering

created Jan 13, 2010 | popularity 3.7 / 5 (3) | comments 0

Low-cost wireless sensor networks open new horizons for the Internet of things

A new European project enables high effective networking based on cheap wireless sensors in a wide range of business applications -- from more comfortable and energy-efficient environmental controls to precision monitoring ...

Technology / Engineering

created Apr 12, 2011 | popularity 5 / 5 (2) | comments 0

Wireless network in hospital monitors vital signs

A clinical warning system that uses wireless sensors to track the vital signs of at-risk patients is undergoing a feasibility study at Barnes-Jewish Hospital in St. Louis.

Technology / Engineering

created Aug 04, 2011 | popularity 5 / 5 (2) | comments 1