How long does it take smart high school students to create a light bulb over their heads? Three days, or “a weekend and a day,” according to Aryan Mansingh, a sophomore student at the Illinois Math and Science Academy in Aurora. At least, that’s how long Mansingh and four fellow students – Abhinav Anne, Atman Shelar, Dhivija Challa and Samantha Narchetty – had to create their winning idea for .