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Comment by throw_m239339 | Hacker News Reader

I find the idea that reality might be quantized fascinating, so that all information that exists could be stored in a storage medium big enough.

It's also kind of interesting how causality allegedly has a speed limit and it's rather slow all things considered.

Anyway, in 150 years we absolutely came a long way, we'll figure it that out eventually, but as always, figuring it out might lead even bigger questions and mysteries...

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Note that "reality" is not quantized in any existing theory. Even in QM/QFT, only certain properties are quantized, such as mass or charge. Others, like position or time, are very much not quantized - the distance between two objects can very well be 2.5pi planck lengths. And not only are they not quantized, the math of these theories does not work if you try to discretize space or time or other properties.

> all information that exists could be stored in a storage medium big enough

Why is quantization necessary for information storage? If you're speculating about a storage device external to our universe, it need not be constrained by any of our physical laws and their consequences, such as by being made up of finitely many atoms or whatever. It might have components like arbitrary precision real number registers.

And if you're speculating about a storage device that lives within our universe, you have a contradiction because it's maximum information capacity can't exceed the information content of its own description.

If reality is quantized, how can you store all the information out there without creating a real simulation? (Essentially cloning the environment you want stored)

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