The Sunsaluter | Alternative Energy | Forums

At only 21 years old, Princeton undergrad Eden Full invented this device that rotates solar panels toward the sun throughout the day -- without a motor. She discovered that if the panels faced the sun at all times, the energy output increased by 40%. The innovative thing about the SunSaluter is that it's an inexpensive, water clock-esque design: Anyone, even people in rural or remote locations, can build it around solar panels