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Comment Re:attack (Score 4, Interesting) 66

City Council member of a non-listed Twin Cities suburb I know:

FBI is involved. Most water systems use one of two control/alert systems that are old and make them easy targets.

All they did was shut down components of the systems e.g., wells/sewer lift stations. Most cities were able to cycle manually to get back up and running. There was not messages warning or ransom of which I am aware.

They could have done a lot more damage if they wanted to, rather than just shutting things down.

Comment Re:Foolish (Score 4, Informative) 46

>we don't have any other means of recognising who is allowed to work and who is not.

Yes we do. It's called a share code. Get a visa and you no longer get a big sticker in your passport. You get status on a government computer. When someone asks you to prove that you are legit to work, you log in, get a share code and give to the person asking. They can log in, enter the share code and it will confirm or deny that you are legit to work based on you visa.

I'm British. My wife is American. That is how I know.

Comment Re:This. (Score 1) 86

I had one breakthrough DMT experience where I saw 'the machine elves' (I just saw what I describe as fast-moving fractals that I 'felt' were beckoning to me); but, we have matching experiences w/the other primary psychedelics: I only had relatively minor on-top visual distortions with even the largest doses of LSD (1500+ mcg) or mushrooms.

That said, everyone is different. I know that some of my friends absolutely lost their fucking minds on a few tabs of LSD and, purportedly, experienced wild hallucinations that I have to trust were real to them but haven't ever experienced myself.

Comment Re:Can someone help explain "perfect" randomness? (Score 1) 140

You are heading down the right path.

A book that made things more clear for me is "Non uniform random variate generation" by Luc Devroye (https://www.cs.fsu.edu/~mascagni/Devroye.pdf).

The generation of different distributions can be done algorithmically, but the algorithms get to the core of the processes making the noise. E.G. 1/f noise can be made from summing many exponential decaying functions. Electrons falling in holes in silicon - same thing. So we have 1/f noise in silicon. The type of process determines the type of noise whether quantum electron events or rain or insects chirping.

While noise does emerge from quantum things, it also can emerge from higher level processes.

Comment Not True (Score 2) 140

Claims of perfect randomness from quantum physicists are always wrong.

1) The claims rely on some detector being 50/50 (they never are), always detecting individual events (they often see multiple or none) .
2) Randomness amplification is a subfield of entropy extraction and it cannot give you full entropy (aka perfect randomness).

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