by Justin Miller Walkersville High School uses about 2.14 kilowatt hours per classroom only for the fluorescent lights, which costs on average 26 cents per kilowatt hour (kWh; npr.org). There’s approximately 79 classrooms of
by Ana Taylor It’s a bird. No, it’s a cloud. No, it’s just a solar plane. A fuel-free plane is making it’s journey around the world using our Earth’s energy.