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268: Why do hot things glow? episode artwork

Sep 8, 2025 2 min

268: Why do hot things glow?

from A Spark of Science

Have you ever noticed that the inside of your toaster glows? Or that the wire in a lightbulb is still bright when you turn it off? In this week's episode, find out why.

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268: Why do hot things glow?

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This episode is 2 minutes long.

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This episode was published on September 8, 2025.

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