Thomas Alva Edison was one of the most creative inventors in the history of mankind. His inventionsincluding systems for electric lighting, improvements to communication technology, and devices for recording and replaying sounds and moviesshaped the modern world. A tireless worker who often spent up to twenty hours a day at work, he made invention a commercial proposition, setting up the worlds first industrial research laboratory. This book describes Edisons accomplishments and his legacy. Each title in this series ...
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Thomas Alva Edison was one of the most creative inventors in the history of mankind. His inventionsincluding systems for electric lighting, improvements to communication technology, and devices for recording and replaying sounds and moviesshaped the modern world. A tireless worker who often spent up to twenty hours a day at work, he made invention a commercial proposition, setting up the worlds first industrial research laboratory. This book describes Edisons accomplishments and his legacy. Each title in this series includes color photos throughout, and back matter including: an index and further reading lists for books and internet resources. Key Icons appear throughout the books in this series in an effort to encourage library readers to build knowledge, gain awareness, explore possibilities and expand their viewpoints through our content rich non-fiction books. Key Icons in this series are as follows: Words to Understand are shown at the front of each chapter with definitions. These words are set in boldfaced type in that chapter, so that readers are able to reference back to the definitions--building their vocabulary and enhancing their reading comprehension. Sidebars are highlighted graphics with content rich material within that allows readers to build knowledge and broaden their perspectives by weaving together additional information to provide realistic and holistic perspectives. Educational Videos are offered in chapters through the use of a QR code, that, when scanned, takes the student to an online video showing a moment in history, a speech, or an instructional video. This gives the readers additional content to supplement the text. Text-Dependent Questions are placed at the end of each chapter. They challenge the readers comprehension of the chapter they have just read, while sending the read
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