NASA’s Cassini orbiter will be ending its mission with a grand finale dive into Saturn’s atmosphere on September 15, but it’s accomplished so much in its nearly 20 years of operation. When it was first launched on October 15, 1997, it was the first mission to be an in-depth study of Saturn and its moons.
Read moreStatic Electricity: It’s Shocking
Have you experienced rubbing your feet on carpet just to reach out to someone and give them a little zap? Or slide down a plastic slide and gotten a nice jolt from it? What about rubbing a balloon on your head to make your hair stand on end? A Van De Graaf generator is a
Read more