For the multitasking business person or someone who just wants to burn a few extra calories, MIT’s got a solution. As part of a class project, a group of students at the university combined computing and exercising and resulted with a pedal-powered laptop.
Guided by a team of MIT faculty, the course's objective was to create a device that turns mechanical energy into electrical energy. And since they built it, the students can tell you exactly how it works. See the video clip below.