National Geographic Science of Everything: How Things Work in Our World

National Geographic answers all the questions about technology, biology, chemistry, physics, math, engineering, computers, and mechanics—in an indispensable book that reveals the science behind virtually everything. How does the voice of a distant radio announcer make it through your alarm clock in the morning? How does your gas stove work? How does the remote control open your garage door? What happens when you turn the key in the ignition? What do antibiotics really do? Divided into four ...