Like a lot of things we’d like to have but can’t, it’s because of physics. When the sun is high in the sky on a sunny day, each square meter of the Earth’s surface below receives about 1000 Watts (1 …
Like a lot of things we’d like to have but can’t, it’s because of physics. When the sun is high in the sky on a sunny day, each square meter of the Earth’s surface below receives about 1000 Watts (1 …
A young reader asks me about building a car powered by nothing but sunlight. I happen to be very friendly with the first guy on the West Coast of the U.S. (Wally Rippel) to do exactly that, at least at …