Home » Open thread 9/22/23

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Open thread 9/22/23 — 28 Comments

  1. Well, thank goodness nothing as bad as ‘Waco’ was. “Colony Ridge” is in Liberty County, Texas, just north of Houston.

    “The Mexican cartels are very active in that they run safe houses, they run drugs, they do marijuana grows, they commit crimes. This is a homeland security issue. It’s a public safety issue.” Todd Bensman, Center for Immigration Studies

    https://lidblog.com/colony-ridge-a-development-for-illegal-immigrants-a-hotbed-for-drug-cartels/

  2. Robert Menendez has just been indicted on bribery charges — again. This guy seems to have nine lives, but he’s almost certain to go down one of these times.

  3. It’s difficult to avoid watching some of these youtube suggested videos. This one is a boardsailing/wavesailing video that’s very nice. The new thing, for me, is the drone camera. Apparently, this drone can readily power cross wind and maybe upwind with ease. And the camera operator is quite deft.

    https://www.youtube.com/watch?v=qZg73OgbPew

    These guys are perhaps not the best, but still amazing. I like that they haven’t edited out all of the crashes and recoveries. It’s definitely a sport of a thousand spills.

    I especially like the shots of the sailor ripping at high speed in a straight line across the smaller waves. It reminds me when I did the same off of Coyote Point in the south bay with 747’s flying a few hundred feet overhead approaching SFO airport for a landing. Oh, to be young again!

  4. Bauxite, why would Menendez have been shielded by a Republican governor? He’s a Democrat, and in the tightly divided Senate, they need him.

  5. Kate, a Republican gov might appoint a Republican to replace Menendez were he taken out, Democrat gov would be assured to appoint a Democrat, is the gist, I think.

  6. Menendez’s indictment is just a smoke screen for the Bidens. Now they can claim…”See, the DOJ also goes after Democrats!!. We’re not weaponized or biased!”

  7. Neo:
    A short-lived annual in Oregon. They’ve been hybridized to have really LARGE blooms on short, stocky plants.

  8. physicsguy, Green Reynolds said something similar on the Instapundit this morning. Is Garland trying to repair his reputation?

  9. Should have posted this anniversary reminder yesterday, but today is okay too: September 21–23 is the 85th anniversary of the New England Hurricane of 1938 (hurricanes in the 1930s weren’t given people’s names the way they are now), also known as the Long Island Express for the damage it did to the NY coastline.
    Because hurricane forecasting was relatively primitive in 1938, many people didn’t get any warning until it was too late. Katharine Hepburn was swimming in the ocean off her family’s summer home in Old Saybrook on the CT shoreline when she spotted trouble, swam to shore, and got the family into their car– they drove to higher ground just in time to see the house carried away by the storm surge.

    Total death toll in New England: 682. Property damage: $5 billion (in 2021 dollars). The Hurricane of 1938 “remains the most powerful and deadliest hurricane in recorded New England history,” and the worst natural disaster to ever hit CT.

    The New York office of the NWS has put together a story map of the Hurricane of 1938: lots of photos as well as weather statistics and an hour-by-hour track of the storm’s path:

    https://storymaps.arcgis.com/stories/4028d00ea6b44fd8890ba6592c15a544

  10. Re: Sailboarding or whatever you call it

    TommyJay:

    I was an avid surfer in the 60s. What the New Kids are doing in the ocean is science fiction to me.

    Here’s Laird Hamilton’s legendary ride via jet ski in Tahiti, which old school surfers, like Greg Noll, watch and say, “That shit’s impossible. You just don’t do that.”
    _________________________________

    I think this is the single heaviest thing I’ve ever seen in surfing.

    –Matt Warshaw, “Laird Hamilton takes on Teahupoo”
    https://www.youtube.com/watch?v=pYQQtxb8wv0

  11. huxley, I see you’re active on today’s open thread. I hope / trust you will see this.

    Let us not lose track of the mathematics conversation we initiated in yesterday’s open thread, but for now, let’s wait-‘n’-see what’s going to transpire.

    Thank you very much for your kind and patient words.

    M J R

  12. Let us not lose track of the mathematics conversation

    Hey, I picked up a Ph’D in mathematics at age 52, for the fun of it. Have managed 31,000+ citations, depending on who is counting, since then for two joint math adjacent papers that I didn’t even need to write, though I was first author on one. The citations are somewhat wasted on me, as I am not an academic and retired in any case. But they do offer some bragging rights 🙂

    Irving Reed was a family friend, and his thesis advisor was E. T. Bell (pseudonym) for a dissertation in functional analysis. Which is a bit odd as his fame is in electrical/computer engineering (Reed-Solomon codes). He once opined that there were three good mathematicians at USC, and one of them was in the math department.

    Apropos Gauss and publication, he also discovered the fast fourier transform (1805), but never published the monograph that contained it. A good reference on the history of the FFT is here. It was rediscovered in different forms several times after, but never made a big splash until 1965, when the Cooley-Tukey algorithm was published. It is now one of the most important numerical methods.

    For a good, but short, discussion of the development of non-Euclidean geometry, see this.

    Gauss was a very smart guy.

  13. Chuck, I have always loved mathematics. When I was in HS, I took Geometry AND Algebra II in 10th grade, then Trig/Analytical Geometry (called “PreCalc”, last I heard) during summer school after, with the intention of taking Calculus in my Junior year.

    They refused to let me (some BS about it being “independent study”, and I was supposedly not “mature enough” @ 15, despite the summer class being mostly limited supervision, with the teacher spending most of his time hanging out in the TLounge…). One reason I have ALWAYS despised public schools, their apparent purpose is to HOLD BACK anyone with any ability at all. 🙁 I honestly believe I could have been doing Calculus by the time I was 12, had they not been spoon-feeding me math.

    Needless to say, This Crap did not Stop Me for a minute. I went to the local public library, found a college level textbook which had the answers in the appendix, and started teaching myself… quite successfully, I will assert. When queried, one of the teachers who had rejected me spoke of reversing himself the beginning of the next term.

    As a result of my mother’s financial situation, however, I wound up transferring to a different school a mid-term, and the teacher who Taught Calculus was kind of jerk who was — in the mid 1970s, still using (literally) 1950s-era teaching methodologies. As an adult, I appreciate and understand where he came from more, but it was not the kind of teaching style that worked with me in any regard, so… when my senior year rolled around I just took fewer HS hours and went to the local JuCo to take classes in Calculus and Physics w/ Calculus — actual credit — rather than get “AP” credit. As a result of that, I pretty much ran 3y ahead of my official Class in college, with regards to math — taking 4000 level classes as a Freshman, 5000 level grad classes as a soph, and 6000 level classes as a Junior.

    I found that you can, interestingly, trace your own understanding of math pretty much to the approximate decade of the mathematics being applied. And, similarly, to the sophistication of the techniques used to manipulate concepts to get from “what you don’t know how to deal with” to “what you do know how to deal with”. I pretty much broke off around 1850 or so…

    Gauss was, as you suggest, an absolute genius… Laplace was right up there with him.

    It’s interesting how every single technique used in Differential Equations class are limited and utterly useless. Laplace Transforms are among the first such concepts and can actually deal with some moderately realistic problems, if still simple ones.

    My two fav early classes were Laplace Transforms and Applied Boundary Value Problems, both ca. 1710 in math. I was quite self-pleased when I foresaw the techniques being taught as a way to solve the problems in the next classes — first, the extension of the Factorial concept into the Gamma function, and the usage of Difference Equations to create a generalized solution for the Fibonacci sequence. Most people here are going, “Huh?” but that’s ok. I independently saw the application, and that’s no small feat.

    After that, my favorite class was Complex Variables and the notion of Conformal Mapping.

    I generally never liked theory, but Abstract Algebra was just melt-in-your-mouth theory for me. Had I gone into teaching, it would have been a prime candidate, along with Applied Math.

    *sigh* It’s been decades, though, I’d have a hard time doing an integration by parts, as I segue’d into doing computers, instead.

    But don’t regret my experience at all, as I think, at the very least — even if you never ever Use the math techniques directly, learning them does do a very very important thing, and that is to give your thinking processes a great deal of Rigor and self-checking. The world can always use a lot more of that.

  14. Biden has found a NEW enemy to destroy, to get himself elected as President in 2024, and that is: civilian owned GUNS.

    …Well, we saw how unfair he was, in shutting down gasoline making companies + fossil fuels companies, so you can bet: he , + Vice President Harris, + the Democrats who support him, will be just as unfair:

    [in trying to cut the Congress + voters out of making new gun laws, and “assault rifles + assault weapons laws”, to ban or outlaw:

    [any models of guns they don’t like, or any laws that allow open carry of guns, or any laws that allow concealed carry of guns], in The United States].

    Do you have a Glock pistol that holds more than 10 bullets or 10 bullets in its magazine[?]…too bad for you. Biden will try to outlaw/ban it.

    Do you have a semiautomatic rifle that looks like an: AR-15, or an M4, or an M16[?]…to bad for you. Biden will try to outlaw it.

    Do you have a semiautomatic rifle that looks like an AK47 or an AKM[?]…to bad for you. Biden will try to outlaw it.

    Have you ever gotten a felony conviction, like- disorderly conduct for an act like- tossing a glass of Pepsi on someone when you were mad[?], or does your town or State give you + other people a felony conviction- for a parking ticket…or for driving 5 miles over the speed limit[?]…to bad for you. Biden will likely try to outlaw YOU from owning a gun, for the rest of your life, for getting that felony conviction.

    Do you like, target shooting, or having guns to defend yourself or others, or [do you think bullets + guns are interesting?, Or do you think ballistic science is fun?], well- Biden and his new [anti-gun violence] push will probably tell people that you are “sadistic or brainless people” that “don’t care if kids under 18 are killed by guns, or that anyone is killed by guns”.

    Yes, US, civilian gun owners care about people being hurt or killed by guns, + they try to teach themselves and others how to use guns- so that innocent + non-violent people don’t get killed or hurt by guns, ever.

    Please do what you can to stop Biden from making very unfair [laws or rules] that unfairly target: law-abiding, civilian gun owners, by contacting Congress + any State officials, or town/city officials- and ask them to stop Biden from making these laws, when he tries to make these kinds of laws.

    (Also, as a final note- Biden likes to say things like: [20 thousand people are killed in the US by guns each year. Let’s outlaw all guns.]

    Yes, and about 20 thousand people are killed by car accidents, + by crimes done with cars, each year in the US- but Biden, + others, don’t see that statistic and say: “Let’s outlaw all the cars”.

    Please notice- 20 thousand isn’t the exact number(s) for these two type of fatalities, but I’m just trying to make a point about Biden’s using statistics, in his statements].

    Thank you for reading my comment, today.

    Cheers.

    Here’s a link to a news article about this issue-

    https://www.koat.com/article/gun-violence-prevention-federal-office-announcement/45263781

  15. }}} Total death toll in New England: 682.

    In terms of today’s population, that would be like 1760 people dying of one disaster. Almost literally unthinkable.

    Or the 8000-odd toll of the 1900 Galveston hurricane, equivalent to 35,000 in a modern context. The mind boggles at how easy Death was a mere 75-100 years ago.

    Today we freak out over numbers that are mere fractions of those.

  16. @OhBloodyHell

    I found that you can, interestingly, trace your own understanding of math pretty much to the approximate decade of the mathematics being applied.

    Oh, yes, I completely agree. A graduate course in complex analysis will generally bring you up to around 1900, Linear algebra to maybe 1920, abstract algebra to 1960 (due to abstract nonsense), model theory to 1960-1970, etc. Of course, those are general classes, specializing will make one more current in some tiny little bit of mathematics. There are geniuses who are on the cutting edge of more than one little bit, Terence Tao for instance, but it isn’t common. As I said, I did a Ph’D more for fun than for a profession. First, 52 is way too old to start climbing the slippery pole of academia, and second, the people making important contributions were younger and more talented than I.

  17. huxley on September 21, 2023 at 5:51 pm said: “you once described a city landmark near your school and I had once lived in that neighborhood.”

    I do now recall mentioning in some or other context a confectionery near the school. If that’s what you are recalling, I plead guilty as charged!

  18. I am very pleased that there are others in our group who appreciate mathematics even beyond high school, and I am enjoying the comments.

    OBloodyHell (10:40 pm) said, “even if you never ever use the math techniques directly, learning them does do a very very important thing, and that is to give your thinking processes a great deal of rigor and self-checking. The world can always use a lot more of that.”

    I am privileged to attest to this via personal experience. I recently wrote in a volume of my own personal reminiscences that

    “Preparing for this pure mathematics doctoral oral exam was about the most grueling experience of my life, and passing it with flying colors was one of the most exhilarating. The mental and intellectual discipline I acquired and required of myself was without parallel. I only wish I had better words to describe the profound sense of growth and achievement I experienced.”

    I still lack those “better words”. But OBloodyHell is very on-target when writing of “giv[ing] your thinking processes a great deal of rigor and self-checking.”

    As far as I can determine, that experience / gift never went away, even after all these decades. At the same time, I fear that those decades do appear to be taking a toll vis-a-vis sharpness, acuity, and the like. No, I ain’t what I once was.

    And, now [drum roll] . . .

    Understatement Of The Year / Century: “The world can always use a lot more of that.”

    Bring it on!!

    [I did eventually complete the entire course of study alluded to above, albeit with very unusual twists and turns and sidesteps.]

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