内容简介：
Explore a close-up look at the many scientific advancements that have improved our world and beyond, how they came into being, and what makes them work. This remarkable series makes discovering science interesting and fun.Great Discoveries and Inventions That Improved Our Daily Lives highlights everyday devices that improved our world. Learn the exciting details behind such inventions as the doorbell, alarm clock, photocopier, radio, television, and the computer that have enhanced modern life.