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  • yetAnotherUser@discuss.tchncs.detoScience Memes@mander.xyzcookie combs
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    5 days ago

    No they don’t (necessarily))??

    Notice how they didn’t spread the cookies evenly on the tray? If they had, it would’ve resulted in squares - not hexagons. On the left, some cookies look more like squares already.

    Hexagons are just one possible way to tile the plane without gaps. The only reason bees use hexagons is because tiling a plane with hexagons results in the lowest possible total perimeter for equally sized shapes. And bees build the edges of their comb shapes using wax, which is expensive.




  • There is an expectation of privacy anywhere.

    The GDPR applies to everyone - including individuals. How long will you store my data? With whom will you share it? How can I contact you and revoke my consent of being recorded? What purpose is the storage of my data?

    It does not infringe on your right to photograph in public by the way. As long as the person only happens to be in the photograph somewhere in the background without being the focus you are free to photograph anything and everything.

    Your targeted photographs violate the freedom of movement of those you photograph. You are not free in your decisions if you are recorded. You will take the fact you are recorded into consideration and adjust your decisions accordingly.

    What prevents someone from innocently setting up a security camera - which happens to also record the entrance of an LGBTQ bar and anyone who enters and exits it? Surely it would be a shame if this footage was then entered into facial recognition software to create a list of people. That is fully legal in countries without the right to privacy in public like the US.



  • I just think of the definition of a derivative.

    d is just an infinitesimally small delta. So dy/dx is literally just lim (∆ -> 0) ∆y/∆x. which is the same as lim (x_1 -> x_0) [f(x_0) - f(x_1)] / [x_0 - x_1].

    Note: -> 0 isn’t standard notation. But writing x -> 0 requires another step of thinking: y = f(x) therefore ∆y = ∆f(x) = f(x + ∆x) - f(x) so you only need x approaching zero. But I prefer thinking d = lim (∆ -> 0) ∆.




  • Not necessarily, many small animals have an utterly insane metabolism making them eat their entire body mass in a couple of days. For example, hummingbirds eat the human equivalent of 150,000 calories per day.

    Larger animals typically cannot afford to spend so much energy - there is just no large food source that has sufficient calory density.







  • Germany.

    8 patients per room is really the upper legal limit (as anything more is considered intolerable) and exceedingly rare but having at least one other patient in the same room is the default. Even if single rooms are available, hospitals prefer to put you into rooms with other people as they offer single patient rooms for ~120€/day and dual patient rooms for ~70€/day.

    When I was in the hospital for a pretty severe gastrointestinal infection as a child, I had one bed neighbor with a severe cough which I obviously caught after the stay. It wasn’t as severe but pretty annoying nonetheless.

    TVs generally exist for free but usually only one per room so you’ll have to negotiate with your roommates. WiFi, if existant, definitely costs money and will have early 2000’s speed.

    In general, hospital stays have roughly the same standard as in the 70’s or 80’s as there hasn’t been noteworthy investment ever since. Anything considered a luxury and unnecessary for treatment will likely not be provided for free.