A low-power sensor system developed at the University of Michigan is 1,000 times smaller than comparable commercial counterparts. It could enable new biomedical implants. Photo (Daeyeon Kim)
Researchers have developed a solar-powered sensor system that is just nine cubic millimeters in size. It is 1,000 times smaller than comparable commercial counterparts and can harvest energy from its surroundings to operate nearly perpetually. The system could enable new biomedical implants as well as building and bridge-monitoring devices. It could also vastly improve the efficiency and cost of current environmental sensor networks designed to detect movement or track air and water quality.
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