HIDDEN SYSTEMS: WATER, ELECTRICITY, THE INTERNET AND SECRETS BEHIND Engineering Features both light and sound

Features both light and sound effects

you'll explore Shadowgate

Meet Greta

and vehicles

Compatible with many standard foam darts

HIDDEN SYSTEMS: WATER, ELECTRICITY, THE INTERNET AND SECRETS BEHIND Engineering Features both light and soundWe use water, electricity, and the internet every day but how do they actually work? And what's the plan to keep them running in years to come? This nonfiction science graphic novel takes readers on a journey from how the most essential systems were developed to how they are implemented in our world today and how they will be used in the future. What was the first message sent over the internet? How much water does a single person use every day? How