Instructional Video

STEMbite: DVD Players

Curated and Reviewed by Lesson Planet

Hear a complete explanation of how a DVD player works. Data is stored in the spiraling groove of a compact disc, and a laser follows the groove, reading the peaks and valleys as 1s and 0s. The teacher even explains the difference between the traditional DVD and a Blu-ray disc. A good idea would be to precede this video by watching the clips on diffraction and binary code, both by the same filmmaker. Your engineering or STEM class will especially enjoy learning this information.

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Classroom Considerations
  • This video is hosted on YouTube