Archive for August, 2009
Solar Power Cars - The Pros And Cons
Monday, August 31st, 2009Solar powered cars are electric vehicles which are powered by solar energy that is obtained from solar panels on the surface of the car. Basically, photovoltaic cells then convert the sun’s energy directly into electrical energy. Solar powered cars are can operate for limited distances without the sun, but they are still not considered as […]
Cut-in Speed in the Doldrums
Sunday, August 30th, 2009An evening walk with my wife revealed to me something about wind turbines. We were walking in a garden that happens to be set in a valley right below two large industrial turbines. I bet these have cut-in speeds of 20 mph (granted- I’m familiar with home, rather than wind turbines, but I’m sure they […]
