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        Television | Science Trek

        Americans average more than 33 hours a week in front of a television or other streaming devices. That’s almost as much time as we spend sleeping, working or going to school.  But exactly how does that picture get to your screen? On this month’s Science Trek, host Joan Cartan-Hansen and her guests, Rich Van Genderen & Craig Koster will answer students’ questions about the science behind television.

        Visit the Science Trek companion website to learn more about Television: Television

        Television: Video Short

        Televisions use electromagnetic energy to bring pictures and sound into your house. But you can only watch television because of the special way your brain processes images. Learn about TV's history and find out how television works on this excerpt from Science Trek's show "Television."

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        Television: Full Show

        How does your brain process images? On this month’s Science Trek, host Joan Cartan-Hansen and her guests, Rich Van Genderen & Craig Koster will answer students’ questions about the science behind television.

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        Television: Web Show

        Television changed our lives, but how does the picture get to our screen? On this month’s Science Trek: The Web Show, host Joan Cartan-Hansen and her guests, Rich Van Genderen and Craig Koster will answer students’ questions about the science behind television.

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