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.
A CD Writer can write new CD's using CD-R discs only once. A CD ReWr â¦ iter can burn CD's to CD-R discs once, or can burn to CD-RW dics multiple times. A DVD drive can do everything a CD drive can do, and also read DVD discs (approximately 4.2 GB) while a DVD Burner can burn DVD's to DVD-R discs and DVD+R discs. CD/DVD Combo's are self explanatory.