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The Impossible Number

Curious Cases

CHAPTER

How Do Magnets Work in the Dark?

A few weeks ago, we did the episode on magnets and how do they work. A lot of people wrote in because they were quite baffled. Our physicist Felix Flicker got an answer for us. To generate visible light, you would need to spin the magnet about a quadrillion times per second. Is that a possible thing to do?

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