It's amazing that we can get electrical power just from the wind, but that's exactly what happens with a wind farm. It's a collection of wind turbines in a particular location with abundant wind. And ...

Chris Impey receives funding from the National Science Foundation and the Hearst Foundation. Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, ...

Deep in the sun’s core, two protons of hydrogen atoms collide violently. Under immense pressure they fuse together and release vast amounts of energy in a process known as nuclear fusion. Travelling ...