Self-powered nanotechnology closer to reality

from MIT’s Technology Review:

[…] Wang has been developing devices based on nanowires that exhibit piezoelectricity. That is, they generate a voltage when they’re bent.

He has been integrating these nanowires into devices that can harvest energy from biomechanical motion–including the running movements of a hamster on a wheel or the tapping of a finger–and use it to power a small sensor.

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