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Cake day: July 6th, 2023

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  • Dalvoron@lemm.eetoScience Memes@mander.xyzVirtual Particles
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    25 days ago

    I think the point is that the bladder is above where the pee comes out so gravity could be pulling it out of the body. Aiming upwards wouldn’t change this relationship because the pee is outside the body at that point. By being upside down the bladder is now below where the pee comes out and gravity would be keeping it in. By being able to pee upside down, he demonstrates that gravity is not a necessary component.

    I think it can be demonstrated by aiming upwards with some extra pressure though. If gravity were the only thing pulling pee out, i wouldn’t be able to shoot over someone’s head for instance as the pee wouldn’t have enough kinetic energy. Thus gravity is not the only component.


  • Shadows of Doubt

    An alternate universe corpo city filled with generated crimes to solve. You get a case board, scan for fingerprints/footprints, talk to witnesses, look up sales records, check out cctv cameras among loads of other stuff. All of it is happening live in the city - everyone has schedules, an apartment, a workplace, an inventory, an email account, a blood type, a shoe size… - so that murder/kidnapping/robbery literally happened in the game while you were crawling through vents looking for an envelope with sensitive documents that someone asked you to steal. Just yesterday I got to a crime scene super quickly and caught a murderer leaving the scene of the crime with the murder weapon on their person. There are deus ex style body augmentations too.

    One of my favourite cases was a woman who got murdered. I had the husband pegged for it but couldn’t pin it on him. His fingerprints were all over the place and he was on the cctv but they lived together so that wasn’t really evidence. The case went cold. A couple of days later the HUSBAND is murdered and I’m stumped. Just go looking for anything related to the guy and hope I stumble across something useful by accident. So eventually I break into the husband’s boss’ apartment and find a bouquet of flowers with a note for the boss from the husband. It turns out the husband is having a secret gay affair with his boss. The boss kills the wife so he can be with the husband. Husband doesn’t want to be with a murderer I guess so the boss kills him too!

    It’s occasionally a little buggy still. I was supposed to follow someone, take a photo of a briefcase handoff, follow the recipient and get the briefcase back and have done this type of case before. Yesterday though the handoff never happened and I waited with the original owner for a few in game hours. My guess is the recipient is dead or was someone I knocked out earlier while I was solving another case and I messed up their schedule.






  • If we know the values of ln(-1)¹⁰ and pi¹⁰ we hypothetically could calculate their divided result as -1 instead of using strict logic, but it is missing a few steps. Moreover logs of negative numbers just end up with an imaginary component anyway so there isn’t really any progress to be made on that front. Typing ln(-1)¹⁰ into my scientific calculator just yields i¹⁰pi¹⁰, (I’m guessing stored rather than calculated? Maybe calculated with built in Euler) so the result of division is just i¹⁰ anyway and we’re back where we started.






  • In practice, this makes these networks very resilient to fraud.

    Could like, 51% of the owners just coordinate to kind of, do a fraud?

    Sybil attacks sound like the kind of thing you’re talking about. I don’t have the expertise to go into it, but one person (or a group) creates lots of nodes and uses that influence to do bad things to the network, potentially including fraud. Or as you suggest, legitimate users can just coordinate to do whatever they wanted (see ethereum vs ethereum classic if you want a chuckle).

    I want to make a note that the networks are only resilient to a specific type of fraud - people trying to enter data in a way that doesn’t meet the criteria of the system. That’s all well and good for wallet to wallet transactions, but when you have transactions going off chain (like buying something, trading for other kinds of coins, doing anything with crypto exchanges), there are still plenty of other kinds of fraud that are possible and happen all the time, because while the chain is fairly trustworthy, nothing else about the system is. Most kinds of fraud involve doing things that technically you have permission to do, because you lied to people to access their password or promised them bigger returns in the future or missold a product or service etc and all of that is still possible under crypto. In some cases crypto is more vulnerable to these things because of having no central authority or regulator or laws or whatever.





  • I teach maths and one of the analogies is use is watching a film of someone walking forwards and backwards. If you play the film forwards (multiplying by positive), you can see the person walking forwards and backwards as normal. If you play the film backwards (multiplying by negative) you see the opposite. So multiplying by negative reverses whatever was happening before. Hard to put into words but the visuals (hopefully) seem to explain it well enough.



  • My experience is that duolingo is a good component of language learning but is bad as a whole package. I have that, a flash card app, daily word games, and a YouTube channel for a children’s TV network in my language. None of them individually would teach me the language, but collectively they reinforce each other and fill in many gaps. Alas, neither innovative language nor lingodeer have the language I want at the moment.