technological aspects

In this engaging title, readers will explore this history of wearable technology from the wristwatch to the Walkman to the eye-cam. Readers will learn about the future of wearable technology from impact sensors in football helmets to clothing that can detect dehydration.

Bold color photos and easy-to-read text introduce readers to water. Five informative chapters highlight water's role on Earth, how we use it, and why it is important not to waste it. Zoom in even deeper with key stats and bolded glossary terms that make learning fun.