This 18-year-old Invented a Way to Charge Your Phone in 30 Seconds
When I was in high school, my science teacher gave the class an assignment: Think of a problem that occurs in every day life, and invent a solution. I rather lamely produced a velcro-padded baseball mitt that stopped the ball from rolling out after you caught it.
Today's young people see the world a bit differently. Eesha Khare, tired of her cellphone battery always dying, invented a device called a supercapacitor that can charge your phone in 20-30 seconds—and then won $50,000 prize for it.
The supercapacitor can hold a ton of energy in a tiny space; it holds its charge 10 times longer than traditional rechargeable batteries, Khare told NBC News.
"I'm really passionate about energy storage," she said at the event. "Hopefully I'll use this money to, well, go to college, and also keep making a lot of scientific advancements."
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