Blu-ray discs have patterns that make them more efficient for solar panels, and repurposing CDs, DVDs, or Blu-ray discs can create DIY solar thermal panels.
[PDF Version]
Wind speed largely determines the amount of electricity generated by a turbine. Higher wind speeds generate more power because stronger winds allow the blades to rotate faster.
[PDF Version]
Wind power or wind energy is a form of renewable energy that harnesses the power of the wind to generate electricity. It involves using wind turbines to convert the turning motion of blades, pushed by moving air (kinetic energy) into electrical energy (electricity).
[PDF Version]
Wind turbines are becoming increasingly common worldwide due to their large blades spinning against the sky and their ability to generate electricity. However, there are several reasons why wind turbines stop operating: lack of wind, low wind speed, too strong.
[PDF Version]