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Showing content with the highest reputation on 10/04/20 in all areas

  1. You have to apply them properly, and you need to allow for the relativity of simultaneity while also taking into account what frame you are measuring from. This is how events unfold according to Earth and Planet x. B and it clock are length contracted and B's clock is time dilated. The length contraction doesn't really play a role in the out come here. B leaves the Earth and take's 1 hr 15 min as measured by Earth's and planet X's clock to cross 1 Lh at 0.8c. B's clock is time dilated and only ticks of 45 min during the trip. Note that the animation pausing at the end is not meant to mean B stopping at X, only that the animation "freezes" at moment so that we can compare clock readings for that moment. If we now consider things from B's inertial frame of reference, you get this. B is at rest while the Earth and planet X move to the left at 0.8c. the Earth, planet X, their clocks, and the distance between them is length contracted. B is not. It take 45 min by B's clock for planet X to travel from being 0.6 lh away to B at 0.8c Earth and planet X's clocks are time dilated and only accumulate 27 min during this time. However, due to Relativity of Simultaneity, the Planet X clock already reads 48 min later than Earth's clock when B and the Earth are next to each other. Thus the 27 minutes it advances brings it to 1 hr 15 min, as it passes B. The times on Earth's clock and B's clock when they are next to each other agree with the first animation, and the Times shown on B's clock and Planet X's clock when they are next to each other also agree with the first animation.
    2 points
  2. I'm no expert but I seem to think it's good that everyone is different. In a collective sense there can be a synergy gained. Some people are refreshingly humble and others perhaps display a more prideful ambitiousness. Humility might serve to make one more understanding. But the sensation of pride can reward us for being cooperative and achieving our objectives. Obviously rudeness or condescension is never acceptable but that's a very different issue. So I don't quite agree with this idea of false humility as I suppose it's the thought that counts. People can change depending on the context. I don't think there can be a perfect type of personality. What do you think?
    1 point
  3. The approach towards understanding may depend on the background knowledge and/or if one is struggling with some specific aspects of the algorithm. Below is an overview, I assume the question is about simple hill climbing rather than any of the variants. You need to be familiar with the underlined terms. Look them up or ask here. Hill climbing algorithm belongs to the family of local search. Starting with an arbitrary solution to a problem iterations ares used to attempt to find a better solution by making an incremental change to the solution. If the change produces a better solution, another incremental change is made to the new solution, and so on until no further improvements can be found. Note that depending on the problem hill climbing finds optimal solutions or local optima which are not necessarily the best possible solution out of all possible solutions. Problems where hill climbing finds optimal solutions are convex problems where every local maximum (or minimum) is also a global maximum (or minimum). For problems that are not convex the hill climb may get stuck in a local extreme point that is not the global extreme point. To avoid that there are several available methods that may be selected by knowing more about the specific problem to be solved. The outcome when using hill climb algorithm (success or failure) is sensitive to the shape of the search space, such as local extremes, ridges and alleys and plateaus. Note 1: The link in the opening post goes to a specific question about a specific example. The question was answered in detail at the link; I have no further comments at this time. Note 2: I loosely based my answer on Wikipedia.
    1 point
  4. The above is in defence of your statement, "Don't forget most religion is psychological abuse." I don't see even a smidgeon of evidence or argument to justify the the most in your statement. Likewise. I acquired many of my moral values from my religious upbringing. I have discarded the theistic belief, but still find reflection in a quite church, reading a Bible passage, or listening to the Hallelujah Chorus evoke positive feelings that are completely untouched by any taint of psychological abuse. I recgonise that not all others are so fortunate. Joigus seems to wish to use a "one size fits all" version of religion and chooses the most damaging of possible images.
    1 point
  5. Religion is not "what makes you feel good about yourself." I don't remember a single instance in my life when the religious principles that they foisted upon me made me feel the least good about myself. Quite the contrary. In the Christian religion in particular, it's quite ironic: God made the universe with you in mind, but you are constantly reminded that you are worthless. This case is completely different. Sex and sexual inclinations are not taught. Religion is. If you go back to what I said, it's really "people who want to get out of it need help and advice with...", rather than what you seem to imply. Forceful mutilation, mind programming to instill fear, hate, guilt, immediate obedience without question to unchecked-by-objective-observers religious authorities, who in many cases are only answerable to their own religious authorities. Arranged marriages for underage girls, obligation to kill others and die if necessary to protect or advance your own religion, persecution of other faiths --in some cases--. Social isolation or even imprisonment or severe physical punishment if you don't abide by the rules. Keeping children from being aware of similar circumstances in other religions, so that they more easily assume their condition as "natural" or inevitable. There are possibly hundreds more reasons. None of us comes out looking pretty here, no matter what our culture is. All of this carefully installed in children's minds year after year. As I said, psychological abuse beyond any doubt.
    1 point
  6. If Religion is what makes you feel good about yourself, should we question that, or consider it psychological abuse ? How is it different from a person who feels they are one gender trapped inside the opposite gender ? The scientific markers and evidence are there that you are one particular gender, yet that person 'feels' better about themself as the opposite gender. And, as a society, we've decided that that's OK, and beneficial to express and act ( sex reassignment surgery ) on those feelings. Why is Religion then, with all scientific evidence against it also, psychological abuse that people need 'help' and 'advice' with ?
    1 point
  7. No, the full k shell is helium structure and very stable. So there can no additional electron to L, the same reason you can not make a He- .
    1 point
  8. How many electrons does hydrogen have? How can the K shell be full?
    1 point
  9. No. For starters, I had nothing specific in mind... 🏸 What I'm saying is very different. It's about offering advice to people who want to get out. Don't forget most religion is psychological abuse. (IMO.)
    1 point
  10. I view this as inevitable. Just like with Bush. Trump, a Republican, literally attacked Hillary Clinton over the Iraq War. In just 8yrs (08'-16') Republicans were already blaming Democrats for the Iraq War, Patriot Act, etc. It is just what they do.
    1 point
  11. I believe it’s a lack of willingness more than a lack of tech or ability. Many Americans I know have actively refused to use even the most basic contact tracing capabilities due to some random privacy concerns.
    1 point
  12. Which is why religious people who do good science don't let the two realms collide. Whether you believe the universe to be infinitely old, to have begun just prior to the BB, or to have been created, the way you study Hellbender salamanders is unchanged.
    1 point
  13. I was wondering when the thought police would show up. I'm glad you have no real authority to ban people from doing real science just because you personally don't like a particular thought that is banging around in their head. Standing at a lab bench and trying to determine the role of a kinase in a cell shouldn't be off limits just because you think you are more enlightened than that person is. One of the fundamental principles of science is that a person's work is judged on its merits, not on what you think of the person who did the work.
    1 point
  14. Some religions, fundamentally, aim to teach moral principles and give guidance on how to live a useful, productive and happy life. Some dress that up with lots of improbable features in order to connect with people who need that sort of thing. One need not believe the improbable to believe in the value.
    1 point
  15. A part of the issue is that folks thinking that they are in the right tend to make intellectual shortcuts. In the early 2000s I was somewhat interested in various atheist movements, in part because I was worried about rising anti-intellectualism and creationism. But apparently once enough folks gather things go quickly to a self-congratulating group of folks who cannot stop emphasizing how rational and therefore superior they are (without actually putting in the work). There were plenty of folks, including academics who did a great job in outreach and educating. But some of their followers were sketchy and did not put in the intellectual work before succumbing to insufferable smugness (the result being attitudes that are way closer to religious organizations than folks would admit) .
    1 point
  16. “Their meanings were slightly different at the time Austen was writing. Pride or being proud was usually not a positive trait. Whereas today people tend to speak of being proud of hard work or some sort of accomplishment, in Austen’s time, being proud usually meant someone thought he or she was better than other people or was not open to interacting with different kinds of people. Prejudice tended to mean having a set idea about someone that was based on assumptions or preconceptions, rather than a person’s actual actions and characters. Today, prejudice may mean making judgments about someone based on, for example, their race or religion. But in Austen’s time, prejudice was usually more about basing judgments on reputation, gossip, or misunderstood actions.” -sparknotes Yes I agree that occasionally people can read too much into it. Pride and humility are very blunt and imprecise adjectives. An individual can be very proud about one accomplishment and extremely humble about another area in their life. So we shouldn’t divide the world’s population in terms of these traits.
    1 point
  17. Pride and humility don’t have to contradict each other in the sense that one can also be proud of other people they meet in life. You don’t necessarily have to be proud of only yourself. There can sometimes perhaps be benefit in living vicariously. https://www.live-adventurously.com/why-live-vicariously/ There’s nothing wrong with being proud of your own country for instance. But a slight collective and general humility among its citizens could promote tolerance and appreciation for other cultures. https://medium.com/@wesodonnell/patriotism-vs-nationalism-whats-the-difference-5e23db662a3 Even if someone finds a particular person tiring they could still welcome them in small doses! There’s no limit on how many friends or acquaintances one can have.
    1 point
  18. Just like Ebola, Polio, HIV, Influenza, Rabies, Dengue virus, West Nile virus, Chikungunya virus, Zika virus, Marburg virus, Japanese Encephalitis, Congo hemorrhagic fever, Herpesvirus, Hepatitis, Rift Valley fever, Colorado tick fever, Ross river fever and of course SARS and MERS. All puny RNA viruses not worth worrying about.
    1 point
  19. https://www.aconsciousrethink.com/4920/7-reasons-wary-overly-nice-people/ In relation to the issue of forwardness, I don't know what this author is trying to say. Should we prefer avowedly evil people instead? I suppose it might be necessary to express anger under certain circumstances. But in other contexts if someone opts not to scapegoat you and is always nice; I'd tend to view that positively.
    1 point
  20. Well lets take one instance of pride: being overfamiliar to others. I don't necessarily think it's rude to be too friendly in being a bit presumptuous. If someone is requesting too much of your time, for example, the onus is on you to be assertive and politely say no.
    1 point
  21. Diverse skills, personalities, needs, preferences, and abilities amongst a population help keep it vibrant, so you're right, it's fantastic that everyone is different. In fact, I'd argue that trying to set ideals on any aspect of human societies is going to limit us. Why should everyone like the same things? Why should being a banker be better than being a baker or biologist? I'd say the differences you're pointing out stem from the intentions involved. It's not good to make someone feel like crap, but there's a difference between trying to humble someone who has too much pride, and trying to humiliate that same person (the dictionary may disagree). Is the intention to help or harm? Or perhaps humility is a personal perception, the same as pride, and something you need to be straight with yourself on, rather than worrying about what others think. Pride is a motivator and a deadly sin at the same time, like wrath, envy, sloth, greed, lust, and gluttony. Abuse them at your peril.
    1 point
  22. Great talk going. What about etymology or maybe expanding other numerical contexts, like FE being faith or in the word fe-male, also who/which have periodic cycles which results in bloodloss and iron (FE). So check on halflives and properties of things pertaining/relating to the body primarily. JAN, FEB, some basis and focus what are we trying to optimize the table to achieve or keep track of. Say maybe a pharmaceutical treatment. But why make it easy, huh? No money if it's so easy for uneducated folks rather than funneling everyone into the college instution, albeit it can work. Depends on what we want to make work or be made work of. Anyways isn't it coincidental, for better or worse in a sense, that the elements did afterall line up to being in a certain order and subset arrays/sequence/pattern. Even if not realized at the time, we're making history and tracking/org/sort data. Even your own body.
    -1 points
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