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A battery-free sensor for underwater exploration: Submerged system uses the vibration of 'piezoelect
Submitted via IRC for SoyCow3196
Researchers have developed a battery-free underwater communication system that uses near-zero power to transmit sensor data. The system could be used to monitor sea temperatures to study climate change and track marine life over long periods -- and even sample waters on distant planets.
Source: https://www.sciencedaily.com/releases/2019/08/190820101452.htm [sciencedaily.com]
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