How LCDs work

A little video I put together to explain how liquid crystal displays work, using pasta, stair gates, wool, a hair dryer and some polarizing filters.


  1. Excellent!

  2. Great video to show how liquid crystals work and what some of their properties are. But you never connect the final dots to show how this translates into an actual display technology (how a multicolored image may be displayed on a screen using liquid crystals), which may leave some viewers perplexed.

  3. Good point, I’ll sort out an appendix.

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  5. George Dionne says:

    nice clip! thanks for your sharing

  6. love this video!

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