MediaTech: TV/Radio Tech (Basics): Pixels, Persistence of Vision, etc. (U5-P3) [VID] Fa14

Pixels and Persistence of Vision

"One time I tried to take a picture of my favorite television show and the photo only showed about a quarter of the picture on the screen. Why did that happen?"   Read the rest on this web page. See the interactive graphics as well.

Black and White TV Screens

"We keep talking about these little dots. What are they made of, anyway?"  Read the rest on this web page.  See the interactive graphics as well.

Bright and Dark

"Now I have two more questions! First, how does the electron beam move around to different parts of the screen? And second, how do you get gray pictures out of light and dark phosphors?"  Read the rest on this web page.  See the interactive graphics as well.



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