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Joined 1 year ago
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Cake day: September 13th, 2023

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  • andros_rex@lemmy.worldtoLemmy Shitpost@lemmy.worldWhoops
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    6 months ago

    The Schrödinger equation is a multi variable second order partial differential equation. You end up with a “position operator” and a “momentum operator” (momentum is mass times velocity, so we focus on the velocity bit). Because of the way that taking a partial derivative works, you end up applying one you can’t get the other.

    Idk that’s probably a terrible explanation (I got a C in that class lol), but it is really cool when you see how the math works.


  • These kinds of programs are important in high poverty districts. Super transient population - sometimes students might attend for a couple of weeks and then disappear. Parents don’t speak English, or can’t read, so they can’t fill out the paperwork to get their kid on the free lunch program. Many of these kids come to school TO eat - when COVID shut my district down the schools were kept open as feeding sites. We provided breakfast and had a school food pantry.

    I don’t think people understand how many children would starve without free lunch programs.


  • In my specific context I’m usually tutoring and not introducing the concepts - they’ve all learned PEMDAS and changing one letter is much easier. I suggest “groups” because they absolutely struggle with manipulating expressions inside radicals. I usually pair it with a short discussion of the purpose of notation.

    I appreciate your mention of the importance of teaching the difference between operators and terms. My pedagogical background is in the sciences and I’m much better at doing math than teaching it 😅

    I would like if math classes (in my area) did more explicitly teach the difference between terms and operators. I say “you can’t divide out the log” pretty much every day.


  • Is it? My understanding is that Japan didn’t have a lot of awareness of the AIDS crisis (and still doesn’t really?)

    I thought the body horror was more associated with fears of scientific progress. I’ve only seen Akira once so I’d love to watch it again in light of other interpretations.






  • The wealthy assholes who destroy our planet and lives can afford to protect themselves. The other poor schmucks who are getting fucked over too can’t.

    How would you get revenge against Amazon? Are you going after Bezos, who is probably on a private island getting sucked off right now? Are you going after the faceless corporate types that work in a well protected office building in a city you can’t afford to live in?

    The greatest invention of late stage capitalism is that inaccessibility. On a smaller, less violent scale, you’re ultimately going to cuss out the underpaid customer service rep for the shitty store policy, not the wealthy asshole who made the policy.









  • I used these kinds of apps when I was a teenager. I could not keep up with a calendar - I tried but my cycles were too irregular to be predictable based on the calculations I could find in books and the internet. I’m transgender and found the entire experience unpleasant in a fairly intense way.

    Those kinds of apps helped me immensely. Most of them offer some sort of discreet icon or password system - my parents were the type to read my diary/calendars. My periods are all over the place, and I was able to safely log a pattern in related pain/duration/quantity… most of them included links to places to find medical information. I found one that wasn’t pastel pink and just treated me like a person keeping track of their medical statistics. I got to feel neutral about a part of my body which I despised.

    The problem is not that people are naive enough to hand over the information to a third party they can not trust. The problem is the paucity of information and resources for menstrual health. Periods are complicated and scary. When you’re a teenager, you’re not worried about data security - you’re worried about trying to make sure you know when your next cycle will start so that you don’t experience the hell that is bleeding through your pants in math class.