Taking you back to high school shop class, here's how to make your own wind turbine blades out of wood. The wood base easily picked up at any home building store (or heck, from fallen trees in the nearby forest), wood turbines are a more affordable option for a do-it-yourselfer as you can measure and handle the wood before you purchase and begin cutting.
You can make homemade solar cells using materials purchased at a hardware store, which while not as practical as commercially varieties, can be used to teach students about solar energy.
A do-it-yourself solar oven is a simple way an average person can harness the sun’s energy for everyday use. It is inexpensive, and can be completed in a few hours.
Power generated by flowing water is referred to as “hydroelectric [...]
Wind power might be invisible to the eye, but it can potent when correctly harnessed. Wind has been a source of energy for a long time. Even 4,000 years ago, it was used by the Chinese and by the Babylonians to power pumps for irrigation.
A car running on biodiesel can save a lot of [...]