There's nothing quite as annoying -- or panic-inducing -- as having a dying phone battery with no charger in sight. But thanks to one 15-year-old whiz kid, that problem might soon be solved.
Filipino teen Angelo Casimiro has invented a special kind of footwear that can generate electricity simply by walking. By doing so, it can charge small battery-operated devices like smartphones.
"The average human takes 7,000 steps a day. So I asked myself, 'Maybe it's possible to harvest electricity through our footsteps. Maybe I can charge my phone or my flashlight with it,'" says Casimiro in his Google Science Fair 2014 entry.
Watch Casimiro describe his project above.
According to InterAksyon.com, one of Casimiro's experiments gave his phone 10 minutes of battery power by playing basketball for two hours straight.
"I'm a Filipino. I live in the Philippines. And just by looking around my surroundings, I can see that a lot of people are suffering from poverty," explains Casimiro. "A simple source of light is a big deal for people who don't have electricity."
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