We need electricity to turn on the lights, charge our phones, and watch TV. Where does electricity come from, and how does it make all these things work? The answers to these questions and more are shown to readers in this handy guide to an essential early science curriculum topic. Age-appropriate text and eye-catching fact boxes present information in a clear and concise way.

The first computer was made of cogs and levers. How do computers work today? And how long will it be before there is a computer chip in every machine?' -- Page [4] of cover.

"Introduces the reader to electronics."--

Describes the scientific method and offers instructions for conducting experiments involving electricity, such as the static balloon push and pull and making your own circuit.

"Life was better in the old days. Or was it? That's the question Greg Heffley is asking as his town voluntarily unplugs and goes electronics-free. But modern life has its conveniences, and Greg isn't cut out for an old-fashioned world. With tension building inside and outside the Heffley home, will Greg find a way to survive?"--

"The story of the rise of modern navigation technology, from radio location to GPS, and the consequent decline of privacy. What does it mean to never get lost? You Are Here examines the rise of our technologically aided era of navigational omniscience, or how we came to know exactly where we are at all times. In a sweeping history of the development of location technology in the past century, Bray shows how radio signals created to carry telegraph...

Tony Fadell led the teams that created the iPod, iPhone and Nest Learning Thermostat and learned enough in thirty plus years in Silicon Valley about leadership, design, startups, Apple, Google, decision-making, mentorship, devastating failure and unbelievable success to fill an encyclopedia. So that's what this book is. An advice encyclopedia. A mentor in a box. Tony uses examples that are instantly captivating, like the process of building the very...