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joigus

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Everything posted by joigus

  1. I would have chosen "understanding," "empathy" => "sympathy," etc. Looking at the world with the other person's glasses, if only for a moment of consideration. I totally agree that "love" is a good stand-for in the thinking. My problem with "love" is that it's been such an overused word, and it's just too easy a substitute for many different human emotions. Most people are really full of it, but try and do the experiment of telling them to be more concrete, to really put their actions where their mouth is: help, empathy, forgiveness, understanding, etc. Those are so much harder to master, because they require you to go from the abstract to the concrete. Remember Oliver Cromwell? "Love the sheep, love the Sun, blah, blah" In the meantime he was sending soldiers and police to keep people's thoughts and actions under control. "Love" is a very suspect word for me. Absolutely, and back on topic. I'm sure the Spanish Inquisition was full of the word love too!
  2. I had to. I must deal with both delinquents and academics. Humour has helped me with both. For Qanon believers, I don't know what kind of humour would do the trick.
  3. joigus

    Time travel

    LOL. I'm not sure that would help: https://en.wikipedia.org/wiki/Adolf_Hitler#Early_adulthood_in_Vienna_and_Munich Part of the problem seems to have been that he was a frustrated artist. https://en.wikipedia.org/wiki/Paintings_by_Adolf_Hitler
  4. Maybe not all that revealing, as it looks very much like the caustics of clusters and superclusters of galaxies, and these are supposed to have clustered around DM, but beautiful to look at nonetheless. https://sciencesprings.wordpress.com/2020/09/07/from-harvard-smithsonian-center-for-astrophysics-scientists-zoom-in-on-dark-matter-revealing-the-invisible-skeleton-of-the-universe/ The possibility of detecting radiation from collisions seems the most interesting claim:
  5. joigus

    Time travel

    So do I. I have nothing against my grandpas. I never met any of them. Chances are even if I met them I'd leave them alone. Corolary: Einstein-Rosen bridges are possible in my world-line. Just to be useful: https://www.scienceforums.net/search/?q="time travel"&quick=1&type=forums_topic
  6. Mathologer (maths)
  7. joigus

    Time travel

    I don't think so. It is an honest question and it makes sense. The only issues that I see are that it's been asked before in these forums (if I remember correctly) and that rather than Other Sciences it may belong in Speculations or Relativity. I will pass on the physics part and concentrate on your question: That's easy. I'd go back to my youth and become the best inside-trader of all time, become rich and do all within my power to make Donald Trump go bust. Then I'd go to Hitler's teenage years and make him addicted to pot. Then... You get the idea.
  8. None of those is very usual in my neighbourhood. Where I grew up, I would've been beaten to within an inch of my life just for saying "I don't care for your schadenfreude." "Don't be so epicaricacious" wouldn't have fared much better, TBH. The problem with humour that tries to be too "gentle", "inclusive", "non-discriminatory", politically correct, etc.; is that it's not very funny; nor is it very convincing, IMO. Maybe that's why humour is an art, perhaps. I do believe in its power to convince, though, if done right.
  9. The last thing you want is for them to be able to concentrate. Distraction camps would be better.
  10. I found this beauty on the web today: https://www.freshdaily.ca/travel/2020/01/pingualuit-crater-quebec-canada/ ------------------------------------------------- Some facts from http://craterexplorer.ca/pingualuit-impact-crater/: Pingualuit Crater Lake, Québec. Pingualuit ᐱᖑᐊᓗᐃᑦ is an Inuit word meaning pimple. Ironically, Pingualuit Crater Lake is said to have the purest freshwater on earth. The crater surrounding the lake was formed by a meteorite over 1.4 million years ago in the Pleistocene Epoch. The meteorite evaporated on impact in an explosion which melted thousands of tons of stone and wiped away all life for hundreds of kilometres around the crater. Local Inuit people consider this unusually calm place to be a site of extreme power, where one comes to revitalize oneself. In order to protect this unique impact crater, Pingualuit National Park was established in 2004. Photo Credit: NASA -------------------------------------------------- List of lakes that formed as a consequence of meteorite impacts: https://time.com/4371446/these-tranquil-lakes-are-actually-ancient-impact-craters/#:~:text=Clearwater%20Lakes%20(Lac%20%C3%A0%20l,Eau%20Claire)%2C%20Quebec%2C%20Canada&text=About%20290%20million%20years%20ago,in%20Quebec's%20largest%20national%20park. If anybody has been there or has anything more to say, I'd be very interested to read about it.
  11. I was a little confused when he started talking about fighting height with height. It became clear when I started listening to it from an Antipodean point of view. 🤣 "Love" is perhaps not the word I would have chosen for the brilliant point he makes, but I understand. As to Trump and his only-too-obvious scratching anybody's back as long as they scratch his... The only possible antidote I see is education. Not his, it's too late for that. As to his ilk, it's too late too: Once people are in their forties+ they're just too set in their ways. I hope it's not too late for the upcoming generations. Good standards of education that only the most ignorant of course will fear as indoctrination, ignoring the extent to which they have been indoctrinated by others. Education in critical thinking is critical.
  12. Point taken, but I'm not so sure about that. Being thwarted seems to defeat the purpose with "true believers." But even true believers are bound to be sensitive to the possibility of becoming a laughing stock, as long as they're not made the object of cheap laughs. I think humour, in some of its many forms --perhaps not necessarily sarcasm--, as long as it's refined and intelligent, and has a seed of reasoned criticism in it, and not bordering sheer insult or epicaricacy*; can be quite useful. Give you an example. I've heard many arguments against belief in the Christian god, but IMHO nothing as powerful as that memorable bit by George Carlin: "Organised religion has actually convinced people that there is a man living in the sky; who watches everything you do every minute of every day; who has a list of ten specific things he does not want you to do. And if you do any of these things, he's got a special place for you to burn and suffer in anguish till the end of time... ...But he loves you. He loves you and he needs money. He's all-knowing, all-powerful,... But somehow he can't handle money!" ----------------- *Epicaricacy: Rejoicing at or deriving pleasure from the misfortunes of others.
  13. Calculation shortcuts and mnemonics.
  14. It's true that there are differences in linguistic politics. German, ie., is also on the normative side. But I think the usage is the driving force. To use an analogy, I think it's something like the storm is leading you somewhere you can't predict, but there are different strategies as to how to steer against these forces.
  15. Although it's not that useless...
  16. I agree, although that's true of pretty much every language. I people keep speaking Klingon, it will likely evolve as every other language has. As to English phonetics, the most amazing thing to me is that "row" and "row" can be pronounced differently. Same symbols; different pronunciation depending on meaning.
  17. Nice.
  18. IMO You're giving a lot of thought to this question from a personal POV. You're missing important points about correlation attractiveness/potential mate profiling that have to do with women's cycle of ovulation and have been studied. Your study has carelessness and self-interest written all over it. The biological POV is absent.
  19. Heaven forbid.
  20. Great idea! Let's have it. And then Americans, Australians, etc. follow suit and make their own phonetic script. I don't think Jim will be thrilled about it, TBH.
  21. Yeah, it's a tough one. Perhaps sarcasm can be more efficient than either indifference or disagreement... Disagreement seems to reinforce the wildly speculative mind.
  22. The vacuum?
  23. Maxwell's equations. They were historically the most powerful reason behind Einstein's faith in the special principle of relativity against all common intuitions. They express some kind of "duality" between the electric and magnetic fields that would be completely destroyed were the principle of special relativity not exact.
  24. OK. Sorry on my part if I didn't understand or took some time to edit some of the answers. Besides Swansont's very helpful assistance with the concepts, IMO, very much overlapping with mine --you'd better pay attention to him--, I see these other questions: The situation you describe still has a lot of freedom. It does not determine the dynamics. To give you an idea of how many things it depends on: 1) The initial velocity of the electron 2) The geometry of the E(t) electric field 3) The way in which E(t) changes with time 4) The geometry and placement/orientation of the magnet 5) The fact whether magnet and sources of E(t) --example: charging or discharging capacitor plates-- can be considered as independent of each other And finally you must apply the Lorentz force law on the electron (is the initial velocity of e- parallel or perpendicular to field lines?, etc.) I would advice you to draw a picture of what you have in mind. ----- It must be understood that the effects of the electron on the rest of the setting are completely negligible.
  25. I'm no expert, but I'd say confinement and other restrictive measures are playing a part in boosting the paranoia.
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