MIT researchers build a bridge to better energy harvesting MEMS device

The advantages of wireless sensors to monitor equipment and structures in remote locales are obvious, but are lessened significantly if their batteries need to be regularly changed. We’ve seen a number of microelectromechanical systems, or MEMS, that harvest energy from the environment, such as ambient light and radio waves and vibrations. Now MIT News is reporting the development of a new piezoelectric device that is about the size of a U.S. quarter and can generate 100 times as much power as similarly sized devices.

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