#Imagine a world where bridges, roads, heart valves or knee replacements could monitor and power themselves for years without needing any maintenance.
#Engineer Shantanu Chakrabartty at Michigan State University has developed a tiny, self-powered sensor that's helping to make that world a reality.
Advances such as this enable us to assess the health of critical infrastructure to ward off #disaster and save lives. #lifesaver
Learn more: http://1.usa.gov/1u8SaGB
Image credit: Shantanu Chakrabartty
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