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potatisgris @lemmy.world
Posts 1
Comments 35
What is an anti-joke?
  • It's when you start a joke, perhaps one that the other(s) recognise. The punchline however, is not a subversion of expectation, which because the other(s) expect a subversion is a subversion in itself. Because the subversion is subverted the anti-joke is funny, even though it is terribly unfunny as a joke.

  • How is it possible that roughly 50% of Americans can’t read above a 6th grade level and how are 21% just flat out illiterate?
  • There are levels of illiteracy. Most everyone has some literacy but the classifications are not very detailed, so completely illiterate may include being able to read a menu and choosing simple items.

    Following an instructions manual for assembling/mounting something is much harder. Because of how frowned upon illiteracy is people who are illiterate get good at hiding their illiteracy.

  • How/when do apps track your data?
  • I am only going to give clarification on the small part I feel confident about. They do not save while videos, photos or sound that they record secretly. They somehow condense it onto what I imagine to be some kind of tag system. So rather than saving the raw sound of you talking about something they just record that you said that word X times or at timestamps a, b and c.

    I think Google records sound constantly when you have chrome open or from your android phone but they do not save everything they record. Only what they think is important enough to keep on record. I also have no clue if they ever throw anything away after some time.

  • Su(rule)prised

    !

    0
    CD / DVD / BD
  • All three images are from an electron microscope that has captured a section of each type disc. I don't know if they are all zoomed in the same amount but I think it is implied that they are. The black bar tells you how much they are zoomed in by showing you a line that I 1 micrometer long.

    Maybe the image of the CD is the background because they want to show us the black bar from that image specifically. Perhaps they were just a bit lazy with the cropping or thought it looked cool that way.

    I'm the images I can see that a DVD is a flat surface with lines of 'trenches'. That's probably how they do either a 1 or a 0.

    The CD has a much larger pattern and has hills instead of trenches. The size of the pattern is probably what decides how much data you can fit on a disc, smaller is better.

    The Blue Ray uses trenches, like DVD, but with a smaller pattern.

    I know nothing about the community.