How and when was the first movie made? How do lasers work in both a CD player and a surgical operation? How is sound transmitted through a telephone? You'll find the answers to these questions and many more in this exciting sequel to The Most Amazing Science Pop-Up Book. Complex scientific concepts are made fascinating and easy to understand with six full-color working models of important scientific inventions. Included are a sand timer, binoculars, a scale, a telephone, a phenakistoscope, and an abacus. Children and adults alike won't be able to keep their hands off this unique hands-on book!
