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.
Copying a disc to ISO format is called ripping, and allows you to create perfect backups of any disc in single files. Make sure your drive supports the disc you want to rip. For example, you cannot rip a Blu-ray disc in a DVD drive, but you can rip a DVD disc in a Blu Ray drive.. Download an ISO compiler program. There are a variety of programs that can be downloaded for free or purchased that will allow you to create ISO files from a CD, DVD, or Bluray Disc (BD). Popular programs include MagicISO, ISO Recorder, and ImgBurn.