Harvest Energy from Low Frequency Vibrations July 21, 2016 By Randy Frank In the Poster Contest at Sensors Expo 2016, Karim El-Rayes, a research associate at Canada’s University of Waterloo, explains a vibration energy harvesting technique with a stationary coil and magnet and a moving ferromagnetic ball. Sensor Tips You may also like: How does vehicle-to-grid technology work to improve sustainability? How do liquid metal batteries fit in EV and BESS… What is a low power design? What are the different battery types for specific applications? How does sensing help in paranormal research?