<p> You will be surprised by the answers. </p><p> Here are the fascinating stories behind the everyday activities that we all take for granted. Find out the answers to these questions and many more. </p><p> What happens when you: <ul> <li> throw a punch on a computer game? </li> <li> press print on a 3D printer? </li> <li> throw food down a waste disposal system? </li> <li> tweet on twitter? </li> <li> recycle your soda can? </li> <li> charge your iPad? </li> <li> boot up your computer? </li> <li> take out the trash? </li> </ul></p><p> Inspired illustrations add whimsy to the easily understood answers, even when those questions seem opaque. Readers of all ages will be surprised where the answers take them. </p>