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 can monitor ...
General Physics
Sep 14, 2011
2
0
(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 than other ...
Engineering
Apr 26, 2011
6
0
(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 University says ...
Computer Sciences
Jan 13, 2011
2
0
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.
Engineering
Sep 15, 2010
0
0
(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 feature for ...
(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 identify the ...
Engineering
Mar 24, 2009
8
0
The inside of underwater pipes and enclosed nuclear containers were inaccessible—until recently. Acoustics researchers in Penn State's College of Engineering have developed a way to convey energy and transmit communications ...
Condensed Matter
Feb 16, 2024
0
48
One feature of the COVID-19 virus that makes it so difficult to contain is that it can be easily spread to others by a person who has yet to show any signs of infection. The carrier of the virus might feel perfectly well ...
Analytical Chemistry
Oct 2, 2020
0
554
University of Southampton scientists are using innovative technology to monitor the behaviour of glaciers in real time, in a new bid to understand the link between their retreat, global warming and rising sea levels.
Earth Sciences
Apr 29, 2019
3
99
Researchers at the University of Warwick have been inspired by the unique movement of trembling aspen leaves, to devise an energy harvesting mechanism that could power weather sensors in hostile environments and could even ...
General Physics
Mar 18, 2019
0
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