To get the most efficiency out of a wind turbine that you are testing indoors with a fan, the turbine blades should have about the......
The best way to attach either chipboard or balsa wood to a dowel so it can be used with a KidWind Wind Turbine Hub is......
If you do not have the , , or the , and the , you can purchase inexpensive multimeters at a number of online and......
The equipment you need to study wind energy in a classroom depends on the grade level and what activities you are interested in doing. A......