2min chapter

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#257 – Brian Keating: Cosmology, Astrophysics, Aliens & Losing the Nobel Prize

Lex Fridman Podcast

CHAPTER

How to Represent a Floating Point in a Computer

infinity is a mathematical construct that doesn't, it feels like intuition fails. It's either some placeholder for infinity or it's one divided by the smallest rat real number you can represent in the memory. Lex: In terms of what a physicist will mean, I mean, physicists will blindly, notchalantly subtract infinity and do things to get finite answers. But at a certain point, you have to ask, well, what are the consequences for the real world?Lex: If anything can happen, then there's no predictive power within the theory.

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