I'm confused with this sentence from Wikipedia:

"Upon exceeding the Bekenstein bound a storage medium would collapse into a black hole."

Does that mean "the storage medium will become a black hole". Is it just a metaphor? If it is correct, can a human brain become a black hole? (Suppose that the brain's data exceeds the Bekenstein Bound)


It means the storage medium will become a black hole. It is not a metaphor.

A human brain will never become a black hole because it cannot get anywhere near the Bekenstein bound. The bound for a brain is on the order of $10^{42}$ bits, but there are only about $10^{28}$ atoms in an entire human body. So there is no need to worry, if you were worried about this.

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