Dr. Ville Kaajakari has developed an innovative piezoelectric generator prototype small enough to be embedded in the sole of a shoe that's designed to produce enough power to operate GPS receivers ...

Shoe power generator, embedded in the sole of a shoe, harvest energy. ScienceDaily . Retrieved June 3, 2025 from www.sciencedaily.com / releases / 2010 / 04 / 100426113137.htm ...

The students also researched piezoelectric nanotechnology, which converts kinetic energy, such as a shoe hitting the ground, into electricity. That technology is the basis of their invention ...