Orem Library

Presents the stories behind forty things that were invented or named by accident, including aspirin, X-rays, frisbees, silly putty, and velcro.

Text & numerous detailed illustrations introduce & explain the scientific principles & workings of hundreds of machines. Includes new material about digital technology.

After an inventor creates a machine that allows food to fall from the sky, the machine starts to go out of control and the inventor must find a way to stop it before all the food destroys the Earth.

What would you do if a time machine hurled you thousands of years into the past. . . and then broke? How would you survive? Could you improve on humanity's original timeline? And how hard would it be to domesticate a giant wombat? With this book as your guide, you'll survive--and thrive--in any period in Earth's history. Bestselling author and time-travel enthusiast Ryan North shows you how to invent all the modern conveniences we take for granted--from...