| According to Khare, her device can last for 10,000 charge-recharge cycles, compared with 1,000 cycles for conventional rechargeable batteries.WASHINGTON: An 18-year-old Indian-American girl has invented a super-capacitor device that could potentially charge your cellphone in less than 20 seconds.Eesha Khare, from Saratoga, California, was awarded the Young Scientist Award by the Intel Foundation a... |