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Cake day: August 4th, 2023

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  • Apparently Hy-vee is employee-owned

    From what I’ve heard from former employees of employee-owned grocery stores, it sounds like “employee-owned” can often be an “on paper”, kind of technicality that bolsters their image marketing-wise/PR-wise while not actually being true in practice.

    A former employee of the Price Cutter location I was talking about, when I asked about Price Cutter being worker-owned (it says so in a sign on the door as you walk in), told me that the union there was completely captured/controlled by the upper management. Like, the vice president had full veto power over what the union decided. (And why TF would a truly “employee-owned” company have/need a union. So you can collectively bargain with yourselves, the collective owners?) In practice, the union was kindof just to give employees some degree of illusion that they weren’t just wage slaves. And maybe to make creating a real union seem less feasible to employees. And maybe there are meetings that employees can attend and theoretically vote on things or whatever, but in practice, the attendees who vote don’t actually have any sway over the direction of the company or conditions for workers or anything.

    Not to say I’m not filing a complaint. It probably can’t hurt to do so. But I don’t think “it’s employee-owned” is actually necessarily any reason to think results might be better than if it didn’t say “employee-owned” on the website, unfortunately.



  • old stuff needs to be pulled to the front

    Yeah, the stuff I’m talking about is always the front unit on the shelf. I can’t always be arsed to search behind the front one for fresher units, but when I do, usually the entire stock on the shelf of that particular product is expired all the way to the back of the shelf. So I don’t really think that’s the issue in my case. I might be more vigilant about searching behind the frontmost unit in the future, though.

    every major retail store in the country is cutting staff to save money

    Yeah, this store clearly has huge turnover as well. Probably not uncommon to see in grocery stores in general, but I think it’s worse here than other stores. The checkout clerks, for instance, often times have to ask for help for things like “how do I ring up the gallon drinking water refills” or whatever. (Which, of course, isn’t the clerk’s fault at all.)




  • That’s interesting to hear.

    I’ve got a major tangent to go on here quick. You know the YouTube channel “Legal Eagle”? (I think he’s also on Nebula.)

    I have a lay interest in law, particularly contract and IP law, and sometimes the YouTube algorithm recommends Legal Eagle. I watched something random about how “Disney might lose the rights to Spiderman”. Seemed interesting and all.

    But in the middle of the video he totally confuses the Copyright Act of 1976 and the Copyright Term Extension Act (CTEA) passed in 1998. He said the Copyright Act of 1976 was “the life’s work of Sony Bono”. The CTEA was the life’s work of Sonny Bono. Sonny Bono had, so far as I’ve been able to determine, nothing to do with the Copyright Act of 1976.

    And I knew enough about the CTEA and Copyright Act of 1976 to catch the error immediately. And honestly, I’ve tried to steer clear of Legal Eagle. If he can get something as basic as that wrong (despite being a professional lawyer, mind you) then how can I be sure I’m not getting BS every time I watch his content. Or at least so my reasoning went.

    And I’m super interested in the human story around these laws. For instance, did you know that the CTEA was introduced posthumously (as in, after Sonny Bono’s death)? By his widow Mary Bono who ran for and won the seat that Sonny’s death left vacant? And it was introduced only 9 months after his death? And that Mary Bono advocated for continuing to extend the term of copyright forever? And in the court case Eldred v. Ashcroft which challenged the constitutionality of the CTEA, Lawrence Lessig was the lawyer for the petitioner? Who called the CTEA the “Mickey Mouse Protection Act” in reference to Disney’s strong lobbying for the CTEA? And Aaron Schwartz testified to the SCOTUS in that case on the side of the petitioner? At the age of 14?

    That stuff is super interesting to me, and Legal Eagle getting something as simple and basic as that wrong made it seem like he really didn’t care to get such details right, which made me reticent to want to expose myself to much more of his content.

    Anyway. Super tangent, but your comment about how law school doesn’t seem to value knowledge of history explains a bit, I think.












  • Well, to say “the voltage differential between A and B is positive” is saying exactly the same thing as saying “the voltage differential between B and A is negative”.

    There is such a thing as voltage differential. And the voltage potential at one electrode can be higher than the other, or the voltage at one can be lower than the other. But given that “voltage” isn’t really a thing except in relation to something else, there’s kindof no such thing as “negative voltage” or “positive voltage”. Just voltage relative to some other electrode.

    And if the voltage of one line is higher than the voltage of a reference (“ground”), then the voltage is said to be “positive”. If it’s lower, it’s said to be “negative”.

    I don’t think “negative voltage” is any less a thing than “positive voltage”, really, but neither one is really a thing except in relation to a reference. Which is to say you can’t connect a single electrode to an instrument and measure the voltage of that single electrode. That would be meaningless to try. You can only measure the voltage of an electrode by connecting your instrument the electrode and a reference.

    Hopefully that clears it up.


  • I’m not an expert, but I think I know what the deal is.

    First off, the voltage of a single line has no meaning except relative to the voltage of another line. (Just like, say, “in motion” or “at rest” have no meaning except relative to a frame of reference. “At rest” relative to, say, the earth or the sun or the galactic center or car interior or whatever.) If you step on one rail of an electric rail line, nothing happens. You don’t even feel anything. If you step on the other, similarly nothing. If you bridge both, <southpark skier voice>you’re gonna have a bad time</southpark skier voice>.

    “Ground” isn’t zero volts in any objective sense. And Vcc isn’t 5 volts (or 3.3 volts or whatever) in isolation.

    And in fact, it’s only convention that ground is arbitrarily labeled “zero” and Vcc is 5 volts rather than Vcc being labeled zero and ground being labeled -5 volts. (Ok, it’s a little more than just convention. The latter would be awkward in practice. But it would be consistent, and you could do all your circuit design that way, just like if you labeled the white keys on a piano “Z”, “Y”, “X”… instead of “A”, “B”, “C”… You’d just have to think differently about it to make it work.)

    So, I think what’s going on here, and we’ll pretend “Vcc” is 5 volts (relative to ground) just for the sake of this example, is that basically:

    • The voltage differential between ground and Vcc is 5 volts.
    • The voltage differential between Vee and ground (and the order in which I list “Vee” and “ground” here is important) is 5 volts. (If I listed “ground” and “Vee” the other way around, it’d be -5 volts.)
    • The voltage differential between Vee and Vcc would be 10 volts.

    So, for instance, if the device has some components that operate at 5 volts and some that operate on 10 volts (I dunno, let’s say the CPU requires 5 volts, but the… I dunno, optical drive motor?.. requires 10 volts), you can get 5 volts by using Vcc as the source and ground as the sink, and you could get 10 volts by using Vcc as the source and Vee as the sink.

    That all make sense?

    And to one of your specific questions:

    Is this a figure of speech or can voltage actually have a negative value?

    So, what qualifies as “negative” and what qualifies as “positive” is just convention. Just like what qualifies as the “north” end of a magnet and what’s “south” is convention. (I guess “north” and “south” refer to which direction a magnet points when used as a compass, but then again which end of the Earth is “north” and which end is “south” is just linguistic convention as well.)

    In the same way, what we label “positive” voltage and what we label “negative” is convention. However, we do have an established convention with voltage. (And with poles of a magnet.) Just because we “made up” what qualifies as “positive” or “negative” doesn’t mean there’s any disagreement on the topic. So unless you purposefully switch your language just to be contrary, you’re not going to get funny looks or requests for clarification using the terms “positive” and “negative” for electrode voltages.

    However, if line A has a lower voltage than B (and what’s “lower” or “higher” is convention) we can say that the differential between B and A (again, order is important) is negative whereas the differential between A and B is positive.

    The analogy between voltage and pressure only goes so far, but in this case I think it’s helpful. If tank B has higher pressure than tank A, you can say the pressure differential between B and A is negative. Similarly, you could say that the air pressure differential between sea level and the peak of Mt. Everest is negative. (Though, with pressure, there is such a thing as “absolute zero”. “Perfect vacuum” is technically a meaningful concept. I don’t think there’s any such thing as “absolute zero” for voltage. Only “differences” between voltages on different electrodes.)