NeatNit

@NeatNit@discuss.tchncs.de

• ⁨Comment⁩ on ⁨[Video] Israeli TV show guest clarifies how much he wants to exterminate every last Palestinian⁩ ⁨⁨6⁩ ⁨hours⁩ ago⁩:

  A lot of things are crazy around here :(

• ⁨Comment⁩ on ⁨[Video] Israeli TV show guest clarifies how much he wants to exterminate every last Palestinian⁩ ⁨⁨7⁩ ⁨hours⁩ ago⁩:

  I can confirm that the subtitles are accurate. But I’m less sure about the parts where they’re talking over each other.

  Pretty sure that’s the obligatory “insane representation of the opposite viewpoint” panel member, as this channel isn’t usually one to back these viewpoints. The other panel members argue with him for a reason. Channel 14 (propaganda channel) is where you’ll hear these kinds of insane things said by the regular hosts.

• ⁨Comment⁩ on ⁨I have a question on how and when coal actually formed.⁩ ⁨⁨3⁩ ⁨days⁩ ago⁩:

  If that link contains the answer, you should at least name the relevant section.

• ⁨Comment⁩ on ⁨Think about it⁩ ⁨⁨5⁩ ⁨days⁩ ago⁩:

  pic unrelated

• ⁨Comment⁩ on ⁨xkcd #3126: Disclaimer⁩ ⁨⁨5⁩ ⁨days⁩ ago⁩:

  I am in this comic and I don’t like it.

• ⁨Comment⁩ on ⁨⁩ ⁨⁨5⁩ ⁨days⁩ ago⁩:

  Sonic the tortoise

• ⁨Comment⁩ on ⁨Florida ounces⁩ ⁨⁨5⁩ ⁨days⁩ ago⁩:

  I’m well aware that the units were redefined at various points, but the new definition was always nearly identical to the previous one. Everyday usage was never affected.

• ⁨Comment⁩ on ⁨Florida ounces⁩ ⁨⁨6⁩ ⁨days⁩ ago⁩:

  This is the true reason metric is better. A lot of people think it’s inherently better for various reasons: it’s decimal and it’s based on the constants of nature. While nice, that doesn’t make it a better system.

  The reason it’s a better system is that there has only ever been one metre, there has only ever been one litre, there has only ever been one kilogram. If you use any metric unit there is no ambiguity, there has never been ambiguity and there never will be ambiguity. There’s just one system.

  For the imperial system and all of its branches and predecessors, that’s just not the case. The foot has had different measures, the mile has had different measures, the fl oz still has different measures as you noted. You can speak to someone and say some measure, they hear your exact words and interpret it as some different measures.

  That’s the real problem with imperial, and that’s why metric was invented.

• ⁨Comment⁩ on ⁨Florida ounces⁩ ⁨⁨6⁩ ⁨days⁩ ago⁩:

  It’s that iOS? It looks different here on Android and I can’t tell how much of it is because I customized it. I don’t quite remember how I customized it but I remember that I did.

  My buttons are colored orange instead of blue, that’s definitely something I would do. The share button like different, as does the top bar with the back button.

• ⁨Comment⁩ on ⁨⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  I’m curious on why you want to do this. If you’re managing an open wifi used by a large number of people (e.g. at a school), it’s very different from if you just want to block it at home. But for the latter I don’t really see why you’d do it through DNS.

• ⁨Comment⁩ on ⁨Soup of Theseus⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  /u/TranquilTurbulence@lemmy.zip fairly sure the distribution you should use is hypergeometric distribution, found via urn problem.

• ⁨Comment⁩ on ⁨Soup of Theseus⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  In python the closest I could find was (untested): sum(random.sample([1, 0], spoon_size, counts=[soup_count, water_count]))

  But this would create an intermediate list of length spoon_size which is not a good idea.

• ⁨Comment⁩ on ⁨Soup of Theseus⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  Interesting. I don’t know why I didn’t think of just keeping a count of soup molecules. Must have been late!

  Another interesting point, your simulation is subtly wrong in a different way from my calculation. When there is only one soup molecule left, there is a chance (however tiny) that rbinom will return 2 or more, taking out more soup molecules than there really are.

  If you run it enough times with a bowl of 3 molecules and a spoon of 2 molecules, I’m sure you’ll hit -1 soup molecules some of the time.

  For a simulation I think we can do better. There must be a random function that does it properly. The function we want is like pulling balls of 2 colors out of a sack without replacement. Pretty common combinatorics question, I would expect a random function to match.

• ⁨Comment⁩ on ⁨Soup of Theseus⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  By the way, how did you actually stimulate it? Surely you didn’t keep 10^25 variables in memory…

• ⁨Comment⁩ on ⁨Soup of Theseus⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  You rock! Thank you :)

  If I find myself in the right mood I might try to work out the actual distribution. If I do, your simulation will be a very handy sanity check!

• ⁨Comment⁩ on ⁨Proton’s Lumo AI chatbot: not end-to-end encrypted, not open source⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  This is an anti-AI blog, that tagline is a joke.

• ⁨Comment⁩ on ⁨Osama boeing laden💀⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  how do you hijack a sentient plane?

  I’m glad you asked. en.wikipedia.org/…/Ophiocordyceps_unilateralis

• ⁨Comment⁩ on ⁨Soup of Theseus⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  :)

  What I would like to do is give a margin of error, e.g. “there is a 95% change that it will be between spoonful 1000 and spoonful 1300” or something like that. But I don’t have the time to figure that out now, sounds like it would be harder to figure out than the expected value.

• ⁨Comment⁩ on ⁨Soup of Theseus⁩ ⁨⁨1⁩ ⁨week⁩ ago⁩:

  Ok, let’s do the probability math properly. Others have mentioned how it’s a matter of probability how long until the last molecule of soup is taken out.

  Suppositions:

  There are N molecules in every ml of soup and every ml of water.

  All soup molecules are the same.

  Every spoonful takes out exactly 25N molecules out of the bowl selected at random, and they are immediately replaced by 25N molecules of water.

  At the start, there are 500N molecules of soup in the bowl.

  The question is:

  How many spoonfuls is it expected to take until all soup molecules are removed?

  For every spoonful, each molecule of soup in the bowl has a 25/500 chance of being removed from the bowl.

  For ease of calculation, I will assume that each molecule being removed is independent of all others. This is technically wrong, because this implies that there is a very very tiny chance that all soup molecules are replaced in the very first spoonful. However, for the large number of molecules we are going to be working with, this shouldn’t affect the final result in any meaningful way.

  Number all soup molecules in the bowl: 1, 2, …, 500N.

  Define X_i to be the number of iterations it took until molecule i was removed. All X_i are I.I.D.:

  P(X_i = 1) = 25/500 P(X_i = 2) = (475/500) * 25/500 P(X_i = 3) = (475/500)² * 25/500 … P(X_i = n) = (475/500)^(n-1) * 25/500

  This is a geometric distribution with p = 25/500.

  Now what we’re interested in if the maximum value between all X_i

  That is: max_i { X_i }

  Specifically we want the “Expected Value” (basically the average) of it: E[ max_i { X_i } ]

  This is exactly the question asked here: math.stackexchange.com/q/26167

  According to the answer there, there is no closed-form exact answer but a very good approximation for the solution is:

  1/2 + (1/λ) H_N

  Where λ = -log(1-p) and H_n is the nth harmonic number.

  Now it’s just a matter of plugging in the numbers.

  According to Wolfram Alpha, there are N = 3.333*10^22 molecules in 1mL of water.

  Again using Wolfram Alpha, the Nth harmonic number is H_N = 52.438

  With the formula given we get λ = -log(475/500) = 0.051293

  Plugging it all in we get the expected number of spoonfuls:

  1022.8

• ⁨Comment⁩ on ⁨Is it possible to make wireless charging broadcast electricity throught an entire house similar to how wifi can broadcast to the entire house?⁩ ⁨⁨2⁩ ⁨weeks⁩ ago⁩:

  IIRC this was kind of the dream of either Nikola Tesla or Thomas Edison (I forgot which one). But no, it’s not really possible, as others have said.

• ⁨Comment⁩ on ⁨I turned 30 yesterday but I look 18. Nobody believes me when I tell them my age. What do I do? Do I date a 20 year old guy or a 35 year old guy who looks twice my age?⁩ ⁨⁨2⁩ ⁨weeks⁩ ago⁩:

  Happy birthday!

  Just for the sake of anyone interested, OP recently made another post about looking too young (but not about relationships): discuss.tchncs.de/post/40800887

  If nothing else, it might give more context.

• ⁨Comment⁩ on ⁨the living dead⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  that seems to be the consensus, I’ve accepted it :P

• ⁨Comment⁩ on ⁨the living dead⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  Why “human”? Seems a weird way to phrase it but I can’t deny it works.

• ⁨Comment⁩ on ⁨the living dead⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  well “skill issue” was one of the options so it might be that

• ⁨Comment⁩ on ⁨the living dead⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  Depends on the human. en.wikipedia.org/wiki/Cotard's_syndrome

  Side note: I am furious that I wasn’t able to find the name of this syndrome without ChatGPT. Is this a skill issue or are traditional search engines (in this case DuckDuckGo) just completely useless now?

• ⁨Comment⁩ on ⁨tchncs.de is powered by donations⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  Thanks for the reminder! I just set up a recurring donation on Liberapay. But since it’s yearly (to minimize fees) I don’t know if you can consider it regular.

• ⁨Comment⁩ on ⁨Is it weird I don't typically answer how old I am anymore, because literally nobody besides my family believes me?⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  I don’t have much to say other than I once worked with someone in this exact situation. She was 30 but looked like she’s still in highschool. It’s surreal.

  What you do with it is up to you! Like most things, it’s a blessing and a curse. Try to look on the bright side. As I’m sure you’ve been told hundreds of times, when you’re way older you’re going to reap a lot of benefits of looking young.

  If it were me (for reference, I’m 31 male) I’d probably just keep giving straight answers and make the best of whatever reactions I get. Obviously in different contexts you’d prefer different reactions but in any case you get what you get.

  Please tell me most people, when they eventually believe you, say you look freaking amazing!

• ⁨Comment⁩ on ⁨Is it weird I don't typically answer how old I am anymore, because literally nobody besides my family believes me?⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  When I was about 25 I started adding10 years to my age when people asked, just to see the reaction.

  I love it. This is the way.

• ⁨Comment⁩ on ⁨[deleted]⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  Yup. When it’s required in order to access something then it’s no longer a donation, it’s a fee.

  I wasn’t aware of that instance and I can’t really advise. To me that’s a bit of a red flag (specifically the fact that it wasn’t mentioned upfront) but not necessarily a reason to count them out if you really think they stand out.

• ⁨Comment⁩ on ⁨investment⁩ ⁨⁨3⁩ ⁨weeks⁩ ago⁩:

  I love that factoid! It was also a question on Lateral podcast. I just spent a few minutes trying to find it on their highlights channel on YouTube, but no luck.