Imagine life without telephones, TVs, computers, x-rays, lasers, and the Internet. Hard to do? As diverse as they may seem, all these technologies, and many others, have one thing in common-they all use electricity and magnetism.
For hundreds of years, engineers have been finding new ways of using electricity to revolutionize the way we work, play, learn, and communicate. Here you'll explore the history of these technologies, find out how the work, and learn about some of the people who invented them. |
