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Temat: Solar Sensors Could Monitor Bridges

The wireless, solar-powered sensor system can provide data on strain, seismic activity and vibrations on bridges, eliminating the need to manually replace batteries once the sensors are installed in hard-to-access places.

Already in place on the Corinth Canal Bridge in Greece and an Interstate 95 bridge in New London, Conn., the sensors harvest energy from the sun using 6-by-9-inch photovoltaic panels. The panels are linked to rechargeable batteries and power microelectronic modules that record data from inside watertight enclosures. The data is transmitted to computers via wireless connections.

http://www.physorg.com/news106472158.html
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