An 18-year-old Indian-American girl Eesha Khare has invented a super-capacitor device that could potentially charge a cellphone in less than 20 seconds.
Eesha Khare from Saratoga, California, was awarded the Young Scientist Award by the Intel Foundation for developing a tiny device that fits inside mobile phone batteries and charges them in 20-30 seconds.
The so-called super-capacitor, a gizmo that can pack a lot of...
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