People all over the world use optical data storage devices. You will of course be familiar with them: CD, DVD, Blu-ray Disc. The discs in the CD family are used for music, films, games, photos, computer files and so on. What happens if you put one of these discs into your gaming computer? Or into a DVD player or the disc drive of your computer?In this teaching package you will be given a glimpse behind the scenes of optical data storage. How do you store music or a film on a disc and what is involved when one of these discs is played? We will start with a short history of data and how data has been transmitted and recorded over the years. The Blue-Ray disc teaching package Film 1 - Film 2 - Film 3 - Film 4 - Film 5 - Film 6