“30-Second Cellphone Charge” Not Here Yet
A California teenager has attracted widespread media attention after creating a “supercapacitor” that could recharge a cellphone battery in under 30 seconds. But much of the coverage appears to have downplayed the word “could.” 18-year-old Esha Khare (pictured above left) won an Intel Young Scientist Award of $50,000 at the company’s International Science and Engineering Fair. [...]