Military throwing listening rocks

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Military throwing listening rocks

Why just rocks? Why not listening rubbish? Or listening fire hydrants :)

HERE

The U.S. military is developing miniature electronic sensors disguised as rocks.

The disguised sensors can be dropped from an aircraft and used to help detect the sound of approaching enemy combatants, the London Financial Times has reported.

The devices, which would be no larger than a golf ball, could be ready for use in about 18 months, the paper said. They use tiny silicon chips and radio frequency identification, or RFID, technology that is so sensitive that it can detect the sound of a human footfall at 20 feet to 30 feet. RFID technology uses radio signals that are sent from a silicon chip to a remote sensing device.

The project is being carried out by scientists at North Dakota State University, which has licensed nano-technology processes from Alien Technology, a California-based commercial manufacturer of RFID tags for supermarkets, the Financial Times said.

The new sensors would be made cheaply enough to be left on the ground without need for retrieval by soldiers.
By netchicken: posted on 20-6-2005

More on it here
 http://www.sigtech.com/dall...

The network consists of microelectronic sensors, built using highly miniaturized chip-scale semiconductor packaging.

The small size of the sensors allows them to be placed inconspicuously and to operate reliably for extended periods of time in the harshest environments. At the heart of the network is a radio frequency (RF) receiver that uses ultra-sensitive high-temperature superconducting (HTS) technology. This DARPA-developed HTS technology makes it possible to capture and relay the data transmitted by the sensors over long distances using a lightweight, portable receiver unit that can be transported and operated by an individual soldier or intelligence agent.

The sensors can be equipped with a variety of sensing devices currently available from industry, university and government sources. Depending on the application, the sensors can capture human voice, visible imagery, RF signals, digital data and other threat signatures.
By netchicken: posted on 20-6-2005








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