There’s even a black noise, and it’s no joke mathematically: https://mathoverflow.net/questions/123347/constructing-black-noise-with-non-standard-analysis https

There’s even a black noise, and it’s no joke mathematically: https://mathoverflow.net/questions/123347/constructing-black-noise-with-non-standard-analysis https://mathoverflow.net/questions/123347/constructing-black...