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Cake day: July 3rd, 2024

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  • Sorry for the rant. I long story short, I agree with you.

    The quadratic formula.

    When we learned to use it in algebra, it was just rote memorization that made little sense. We knew there was a proof for it, but we were told it was beyond our level and to just wait. When we finally touched on it again in Calculus, it was little more than a footnote. Since we had developed better tools for finding roots already, we did little more than note its existence and solve the problems more generally. I don’t think we got around to the real proof of the quadratic formula until later with Linear Algebra. Most people aren’t going to get that far. Most people don’t have any need to. The quadratic formula is a bit of a chicken and egg problem. You need upper level math skills to prove it, but we learn it early in order to practice algebraic skills to get to that level.

    I just wish that we’d have been taught some of those calculus fundamentals and ideas earlier. It would have been like a light at the end of the tunnel. Maybe we wouldn’t be ready to rigorously work through limits and integrals before all that algebra practice, but even a child can understand acceleration and its relationship to changes in velocity. We have so many documentaries about special relativity, general relativity, and quantum mechanics. Almost no one watching these documentaries can do that math, but we don’t worry about that. Our society could benefit from everyone having more general knowledge about the very broad strokes of calculus, differential equations, statistics, and combinatorics long before we worry about teaching the mechanics of those maths to them. Not everyone needs to know HOW to do them, but everyone can be taught to appreciate WHAT they do and WHY they are important and a part of every facet of our lives.














  • I stopped drinking soda regularly decades ago and went through the same thing, drinks I once enjoyed were now either “meh” or way too sweet and acidic to be able stomach more than a few ounces. Cutting out soda also meant cutting out a lot of artificial sweeteners (because I was never very picky about diet or not, I just wanted the bubbly sweet. That meant that when I did try diet sodas after having quit for some time, they tasted even worse or sometimes even made me feel worse. This is all anecdotal obviously, but it seems like you’re experiencing something similar. It’s not just you. There’s nothing wrong with you.


  • It could have been an accident or incident that resulted in a death. They may have been collecting evidence. There are even some police in my area that uses conventional land surveying equipment and rapid high density laser scanners. Precise measurements of things like skids marks and other evidence of how the vehicles came to rest can be used to estimate initial speeds and confirm or refute the testimony of witnesses.

    It could also be something more mundane like an actual land surveyor collecting data to support future design work or verify completed projects.

    Neither of these are jobs that can be done at night or at times more convenient for your car.