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The Great List of Everything
Season 1 Episode 12: The Lightbulb
Iris believes that every time you turn the lights on or off in a room, it costs 25 cents. Cathon sets her straight, and then explains where the light in lightbulbs comes from.

Season 1 Episode 12: The Lightbulb
Iris believes that every time you turn the lights on or off in a room, it costs 25 cents. Cathon sets her straight, and then explains where the light in lightbulbs comes from.
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