Video: The Spark of Invention

The Spark of Invention series provides readers with an inside look at some of the items we use every day. From the Internet and the cell phone to the hybrid car and the skateboard, readers will discover what prompted the invention, the science, designing, and testing that went into it, as well the lasting impact it has had on society. Full color photographs, illustrations and infographics, and fact-filled captions will captivate young readers.