A: Thomas Paine believed that the American army would become the strongest in the world, that America would achieve independence from Britain with a strong ar... Full Answer > Filed Under:
How DVDs Work. DVDs are of the same diameter and thickness as CDs, and they are made using some of the same materials and manufacturing methods. Like a CD, the data on a DVD is encoded in the form of small pits and bumps in the track of the disc. A DVD is composed of several layers of plastic, totaling about 1.2 millimeters thick. Each layer is created by injection molding polycarbonate plastic.
March 31, 2015. A DVD drive is a component of a computer or other electronic device designed specifically to utilize digital versatile discs, or DVDs. They are installed on everything from desktop computers, laptops, DVD players, cars, televisions and many other devices and areas. They have grown from their first inception in 1997 to the Blu-Ray discs today.