Learn how solar panels generate electricity with this step-by-step guide explaining photovoltaic cells, energy conversion, ...

A solar cooler uses energy from the sun to run a cooling system—just like how a fridge or air conditioner works, but without using regular electricity. These technologies are like the solar panels ...

Two-thirds of Iowa’s electricity comes from wind turbines that sprout from fields like giant beanstalks. The state’s vast expanses of exposed land—ideal for wind energy generation—also have the ...