Just how important are machines? Try living a day without using any! Discover how children in the outback of Australia use machines to learn and how small aircraft are being used to save birds from extinction. Meet a girl in Kyrgyzstan who loves her cell phone and two boys in Utah who run machines on their family farm. From factories run by robots to the marvels of toilet technology to people who depend on medical devices to live, this issue is a tour of the very modern world of machines.