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Bite-Size Physics

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TV Ghosts

You need:

Television (not a LCD or plasma TV)

Flashlight

 

1. Turn off the TV.

2. Turn off the lights in your TV room.

3. Shine your flashlight at the TV for about 30 seconds to a minute.

4. Now turn off the flashlight.

5. You should see a glowing spot on the TV where the flashlight was pointed.

A television screen has stuff in it that glows when it's hit with light. That's why you can see the shows on the TV screen. When you shine a light on the screen you cause it to glow for a little bit.

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