4min chapter

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas cover image

Ask Me Anything | April 2023

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

CHAPTER

The Intermolecular Forces of Iron

An extremal black hole is an example of a black hole where the mass is being balanced by something else. In practice, we think that in practice, that's never going to happen. If I have two black holes and they're both positively charged, then the gravitational field is going to attract them together but repel them. And it turns out that it balances when you have what is called an extremal Black Hole.

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