• 11 Posts
  • 13 Comments
Joined 2 years ago
cake
Cake day: June 14th, 2023

help-circle




  • Thanks for providing this update. You added some sources and data that I didn’t know, and your last point clearly articulates the set of likely causes of this misstep.

    When I first became aware of this story my gut-reaction was “I fucking hate unforced errors like this!”; I’m now very curious why this happened the way it did. Mind you, in the grand scheme of things I suspect this is nothing more than a fleeting political blip.







  • I can try to explain, but there are people who know much more about this stuff than I do, so hopefully someone more knowledgeable steps in to check my work.

    What does ‘random’ or ‘noise’ mean? In this context, random means that any given bit of information is equally as likely to be a 1 or a 0. Noise means a collection of information that is either random or unimportant/non-useful.

    So, you say “Compression saves on redundant data”. Well, if we think that through, and consider the definitions I’ve given above, we will reason that ‘random noise’ either doesn’t have redundant information (due to the randomness), or that much of the information is not useful (due to its characteristic as noise).

    I think that’s what the person is describing. Does that help?


  • I’m not an Information Theory guy, but I am aware that, regardless of how clever one might hope to be, there is a theoretical limit on how compressed any given set of information could possibly be; and this is particularly true for the lossless compression demanded by this challenge.

    Quote from the article:

    The skepticism is well-founded, said Karl Martin, chief technology officer of data science company Integrate.ai. Martin’s PhD thesis at the University of Toronto focused on data compression and security.

    Neuralink’s brainwave signals are compressible at ratios of around 2 to 1 and up to 7 to 1, he said in an email. But 200 to 1 “is far beyond what we expect to be the fundamental limit of possibility.”









  • It’s not just a fat or muscle thing. Those both contribute of course; fat insulates and muscle produces more heat. But the real player is the surface area to volume ratio.

    A bigger person has a lot more volume than they have a bigger surface area, and since heat is lost through the skin this has a major impact.