First facts. Long ago and today

Travel through time and discover how communication has changed over hundreds of years. From ancient cave paintings to high-tech computers, people throughout history have invented ways to communicate with each other. Learn about some of the key discoveries of the past and where communication technology is headed in the future. Filled with full-color illustrations, fact-packed text, and hands-on experiments, this resource is perfect for science fans,...

Explains how school life has changed over time, and what it might be like in the future.