Meet 15‑year‑old Angelo Casimiro, a young innovator from the Philippines who transformed ordinary steps into usable power with his piezoelectric shoe insole a prototype wearable device that harnesses the energy from walking to generate electrical charge.
Angelo’s invention uses piezoelectric materials strategically embedded within a shoe insole to convert kinetic energy from foot pressure into electricity. This clean energy can charge small USB powered devices such as smartphones or power banks after just a few hours of walking, offering a sustainable power source for on the go users and those in off grid locations.
Originally gaining recognition at local science fairs in the Philippines, Angelo’s project also earned attention in the Google Science Fair as a regional finalist, highlighting its innovation and practical potential.
Though still in the prototype stage, this wearable technology underscores the promise of piezoelectric energy harvesting — where everyday movement could one day help power mobile devices, wearables, or emergency equipment, especially in remote areas or disaster zones. Casimiro’s work emphasizes not only inventive thinking but the potential of eco‑friendly solutions to global energy challenges.
