關於本電子書
Have you ever wondered how the lights in your alarm clock work? Or have you ever considered how that tiny red light in your TV remote control sends a signal that helps you find your favorite show? What these and countless other bright devices have in common is a light-emitting diode, or LED. But how does an LED work? How is it different from other lightbulbs? Explore the key concepts that make up an LED, including semiconductors, electrons, color, and more. Learn how LEDs are used in electronics, to light homes, and even to grow food for astronauts!
Have you ever wondered how the lights in your alarm clock work? Or have you ever considered how that tiny red light in your TV remote control sends a signal that helps you find your favorite show? What these and countless other bright devices have in common is a light-emitting diode, or LED. But ...
瀏覽更多書籍
評分和評論
2則評論
關於作者
James Roland is a lifelong journalist who found his niche covering education and health. In his spare time, he loves writing books for children. James lives in Sarasota, Florida, with his wife and three children. They are all history and Scrabble buffs who love to gather at the table, make each other laugh, and share the details of their day.
James Roland is a lifelong journalist who found his niche covering education and health. In his spare time, he loves writing books for children. James lives in Sarasota, Florida, with his wife and three children. They are all history and Scrabble buffs who love to gather at the table, make each o...
為這本電子書評分
歡迎提供意見。
閱讀資訊
智慧型手機與平板電腦
筆記型電腦和電腦
你可以使用電腦的網路瀏覽器聆聽你在 Google Play 購買的有聲書。
電子書閱讀器與其他裝置
如要在 Kobo 電子閱讀器這類電子書裝置上閱覽書籍，必須將檔案下載並傳輸到該裝置上。請按照說明中心的詳細操作說明，將檔案傳輸到支援的電子閱讀器上。
