How LCD Screens Work

The other day someone asked my how an LCD projector worked compared to an LCD screen on your laptop. Their general impression was that the laptop screen was like a bunch of LEDs, so how could you "project" that? I didn't really know. I knew that it was backlit and that's why you could project it, but had no idea how it worked. I asked Kelly Flanagan and he didn't really know either, but he sent me this really good tutorial showing how it works--interactive and everything. Apparently this is just one in a whole collection called Einstien's Legacy.

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Last modified: Thu Oct 10 12:47:19 2019.