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  1. Although I have a certain interest in science, and have even done my own research, my job is an artist. I decided that art is a great way for me to convey an idea and give something to think about. This is my oil and acrylic paintings Antigravity girl Space conquerors Spaceship Earth Rocket people Rocket fish Elon Musk spaceman city Flying saucer principle Dark city Darkest night Robots bar UFO cont
    4 points
  2. Unfortunately, those of us in the US weren’t able to dismiss him out of hand. And yet his administration’s response seems to not have much to do with the information he got, since he largely ignored it and did almost nothing. Which is one reason I want to know why it would have mattered knowing the details of how the virus originally spread. Would Trump have done a different kind of nothing? Would governors have changed their push to repeatedly reopen too soon? Would they have done something different in avoiding mask mandates? How were these decisions based on the WHO's investigation?
    4 points
  3. A marketable skill for sure in the looming post-crash economy.
    4 points
  4. The Kirov ? Really ? If the Russians had gotten that right, it would have been the only one, as they failed miserably with their carriers, and had to sell them for liquid funds to India and China ( where they turned out to be crap and almost unuseable ) Did you forget to mention that the Kirov never actually made it out of the Mediterranean Sea, where, during tis second deployment, it suffered reactor damage ? It has basically been mothballed since the 90s, and although the Russians announced plans to overhaul the whole Kirov class nuclear missile cruiser fleet, the Kirov itself ( som
    3 points
  5. GPS is a 'local' receiver of time/location information from the orbiting satellites. You might be able to 'swamp' the local receiver so that it can't detect the satellite signals, but a military system would use AWACS, software translation, and a secure digital link ( see NATO's Link 16, for example ), to transmit location information, and still get the job done. V Putin is lucky his 'enemies' are not like him. If someone wanted him dead, he would be.
    3 points
  6. A woman was at her hairdresser’s getting her hair styled for a trip to Rome with her husband.. She mentioned the trip to the hairdresser, who responded: ” Rome? Why would anyone want to go there? It’s crowded and dirty.. You’re crazy to go to Rome .. So, how are you getting there?” “We’re taking BA,” was the reply. “We got a great rate!” “BA?” exclaimed the hairdresser.. ” That’s a terrible airline. Their planes are old, their flight attendants are ugly, and they’re always late. So, where are you staying in Rome ?” “We’ll be at this exclusive little place over on Rome
    3 points
  7. A man boarded an airplane and took his seat. As he settled in, he glanced Up and saw the most beautiful woman boarding the plane. He soon realized She was heading straight towards his seat. As fate would have it, she took The seat right beside his. Eager to strike up a conversation he blurted out, “Business trip or pleasure?” She turned, smiled and said, “Business. I’m going to the Annual Nymphomaniacs of America Convention in Boston." He swallowed hard. Here was the most gorgeous woman he had ever seen Sitting next to him, and she was going to a meeting of nymphomaniacs! Strugglin
    3 points
  8. Economists have successfully predicted 10 of the last 4 market crashes
    3 points
  9. The period over which tidal locking would occur is highly sensitive to the distance between the bodies, and varies by the distance to the power of 6. It is less dependent on the mass of the primary. The relationship ( assuming all else is equal) is T = a^6/M^2 So, if we take a very luminous red dwarf like Lacaille 8760 with a mass of 0.6 that of the Sun, and a Earth equivalent position in the habitable zone of 0.268AU, you get a time period for tidal locking of roughly 1/1000 of the the time it would take for the Earth to tidal lock to the Sun. For a smaller star like Proxima Cen
    3 points
  10. I can't say I had ever come across them, until a few years ago on the internet. Anyway, it's nice to know one can always annoy them by asking if it is true that the Flat Earth Society has members all around the globe. This seems to be a meme they can't kill off.
    2 points
  11. Another piece of the puzzle of life. Seems to present very primitive form of cell differentiation, with only two types of cells. A billion year old fossil, which provides a new link in the evolution of animals, has been discovered in Torridon, Scotland. https://phys.org/news/2021-04-billion-year-old-fossil-reveals-link-evolution.html The organism was spherical in shape, suggesting also that cellular differentiation, "tissue" formation, and body plan were very primitive. https://www.cell.com/current-biology/fulltext/S0960-9822(21)00424-3
    2 points
  12. My first forum "Hypography" is now almost nothing but nut jobs. Hard to even read many posts, they contain so much nonsense it almost funny. They need swansonT for a few months...🤪
    2 points
  13. Close to the surface of a large body of water, it is very common to have an inversion, whereby the cool water cools the air immediately above. So then it would not be true that the temperature decreases upwards within the layer. The opposite would be the case. For example this explains why Chicago is sometimes visible from a point 60 miles way on the far side of Lake Michigan. It is what is called a superior mirage, and its cause is the bending of light in an inversion layer above the lake: https://www.abc57.com/news/mirage-of-chicago-skyline-seen-from-michigan-shoreline
    2 points
  14. This is a science site. A majority of the active members have scientific educations, or an extensive interest in science. As such I should be greatly surprised if many of them, perhaps not any of them, failed to accept evolutionary theory, as developed from the original Darwin-Wallace concept, as being the best explanation of the diversity of life on the planet. So evolution is a given, on this forum and in this thread. What this thread is actually about is substantive evidence for an important stage in the evolution of more complex organisms. Empty prattles about personal incredulity have no
    2 points
  15. Soviet Union dissolved 30 years ago, but it sure feels QAnon is going strong. As your first ever post to,this community, you really should’ve tried harder. YouTube isn’t a good source, but at least link to a specific video when mentioning it. You may as well be saying “I understand from google search engine that…”
    2 points
  16. It is not strictly true that water is non-compressible. Liquids are about as compressible as solids, which is to say hardly at all by comparison with gases. But they still compress a bit. If you suddenly expose the water in a torpedo tube to 100atm, you exert that pressure on the water inside and thus on the walls of the tube as well. The water will compress a tiny bit and the walls of the tube will stretch and expand a tiny bit as well. (Because it is only a tiny bit, very little work is done, so there will be very little stored energy in the compressed and stretched materials.) Water ha
    2 points
  17. If anyone is still intersted its to do with wind stoppers for the Steppes https://earthobservatory.nasa.gov/images/89817/fending-off-the-wind-on-the-steppe
    2 points
  18. https://thelanguagenerds.com/
    2 points
  19. How many more times ??? You've been told repeatedly over the last two weeks that your recollections of pre-WW2 science are wrong, yet you shrug off each instance and either move on to another inane subject, or double down on your previous claims. What is the point of letting you know what is wrong with what you are saying ? You only chose to ignore it. That is not discussion. That is an obstinate old fool, who believes he knows more than he actually does.
    2 points
  20. If Watson isn't the most famous doctor ever, then Who is. ------------------------- Meanwhile in Salzburg...
    2 points
  21. Other than a modifier for nuts, I don’t know what “Deez” refers to.
    2 points
  22. What are you talking about ? Grumman, even after aquisition and merger with Northrop, has never produced aero engines. It is a totally different area of expertise, and best left to the GE, P&W, RR, Safran, Honeywell, etc. You certainly can't mean the main engines of the F-14, as the main contractor for the propulsion systems was Pratt and Whitney, with the TF-30 for the A model, which would have been superseded by the F-401 in the definitive B model. It was only some 20 years later that the F-14 D model got some advanced technology general Electric engines in the way of the F110
    2 points
  23. I am well famliar with the history of the Grumman F-14 tomcat and how it arose from the stillborn General Dynamics F-111B ( TFX for the Navy ). Magnetic bearings may have been tried for the various pumps, fuel, lubrication, A/C, etc., but they were most certainly not used for any hot cycle propulsion bearings, so I really don't see how 'switching to battery' would deny anyone a firing solution. The F-14 and its fire control radar use the Phoenix missile, a fully active radar homing missile, capable of beyond visual range use in fire-and-forget mode. Other missiles that may have been used
    2 points
  24. The fact that you linked that article shows the limited understanding on the subject and/or highly selective reading without making an effort to understand the concepts. First of all, the subject of the paper are highly deadly viruses. I.e. those that have a limited spread due to high lethality. Here, the risk is that vaccines can suppress symptoms but may still allow spread, which otherwise would not happened as the host would die beforehand. However, neither is true for SARS-CoV-2. This virus is highly capable of spreading and its lethality is not high enough to kill the host before the
    2 points
  25. Oh, OK, that's a pity. But surely someone must give you feedback, or how do you know what needs attention? But if you have no feedback then, if I were you, I would choose a couple of topics where I know I am not very strong, and maybe a couple of topics that really interest me, where I can go further, perhaps beyond the course syllabus, out of interest. It's important to find things that interest you in school work, rather than just being a slave to the exam machine. It's one way to help decide you what to study at university.
    2 points
  26. Censorship is a fine line, but surly even the most ardent advocate of free speech, would object to lies being told about them?
    2 points
  27. Hmm. Who has been funding exploration to this point? Individuals? Or governments from the US, the EU, China, Japan, India, etc.? Or are you suggesting that private enterprise is not now getting involved? Like SpaceX, Orbital, Boeing, Blue Origin, etc.? Perhaps you are unaware of people looking for adventure. Space Adventures sent seven private citizens to the ISS. NASA has announced plans to send private citizens to the ISS. Mars One has signed up 2700 people who have asked to be part of a one-way mission to Mars. I am unsure exactly what history you are looking at.
    2 points
  28. Meanwhile, back at the batcave...
    2 points
  29. Clearly your forces and vectors are off. Too much strange and not enough charm in your quarks
    2 points
  30. Whereas a broken record can be wrong all the time.
    2 points
  31. Corrected. At least for the moment. Perhaps if you were less obtuse people would better understand your intent. (Or, perhaps, if you were more obtuse people wouldn't discern your intent. One wonders which is true.)
    2 points
  32. Their, they're, there are sew so many weighs ways of getting it wrong. I just make sure I get it write. Musk seems to think his Starlink revenues will provide the necessary funding.
    2 points
  33. See it this way: getting out of a gravitational field costs energy. Objects with mass lose kinetic energy, which means they slow down. Light also has energy, but it is not dependent on its speed, because it always has the same speed. But the energy of light is related to its frequency. So light 'loses frequency', which means its frequency goes down, i.e. it becomes redder. Now imagine a light beam with less energy than needed to get out of the gravity field. It would have no energy anymore, which for a wave simply means it does not exist anymore. At the event horizon EM radiation just has not
    2 points
  34. In addition to what iNow said, I think much of it is also couched in a, I want to say North American way of thinking which I found very different from the view and actions of police in most parts of Western Europe. With that I mean is that non-compliance with police commands has to inevitably result in an escalation of events. But again, that is not the case elsewhere. German law for example does not count fleeing from the police as violent form of resistance against the police. In one case a fleeing driver winged a police officer and it was ruled as an accident rather than a violent acti
    2 points
  35. The thing is, being on twitter, soundbites are kind of necessary, and it's easy to read too much into a tweet where someone is trying to be pithy. Steak-Umm wasn't wrong, but it's arguable what "it" encompasses. The process of science, or the knowledge it uncovers? And are you picking nits when the parenthetical "all science is subject to revision if new information is uncovered" isn't included, because perhaps that was meant to be understood? So yeah, it could have been worded better, but then it wouldn't flow as well. "The good thing about Science is that the truth of the informati
    2 points
  36. Starlings, a new state of matter? (lots of minutes, I've cut the last video.) How do they do that? Remind me of cellular automata. But far more amazing.
    2 points
  37. Emotions are great motivators, but many folks don't use them correctly, imo. They get passionate or angry or frustrated in a way that wastes the energy that could be used. It's like using a motor to spin a flat piece of metal. It just spins and does no work, but if you angle the metal so it resists the air you create a propeller, something that actually does some work. So find something productive to achieve, and put all your anger and passion behind THAT. Don't just wave your hands. Be careful assigning behavior like this to all humans. We've prospered as a species partly by bala
    2 points
  38. Every number (except 0) has two square roots. Using the convention (ignore negative root) leads to these kinds of problems. l
    2 points
  39. Don't expect too much from me... Ethics never was a main topic for me. I would say, as any sensible person, just the risk of giving capital punishment to an innocent should be reason enough to refrain from it. And AFAIK deterrence seldom works. So I think incarceration might be the best solution, in the first place simply because we put somebody away who has proven to be dangerous, in the second place we, i.e. society must attach consequences to people who do not want to play by the rules. However, if a society does not take the chance to rehabilitate the offender, it is not much us
    2 points
  40. I think a distinction can be drawn between religion and pseudoscience. Astrology and crystal healing are pseudoscience, in that they make claims about observable physical phenomena, based on theories for which there is no evidence and which conflict with science. Attacking pseudoscience is fair enough, I would say, for anyone with a scientific education. Religion, at least in its more reasonable manifestations, is something different from pseudoscience. It is mainly a guide for living one's life, inspired by stories and ideas that don't make testable physical claims. However one can cer
    2 points
  41. First amendment of the US constitution: Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances. So the "right of Freedom of speech" pertains to the limits the US government has in this manner. It does not matter if the term "freedom of speech" already existed or who first coined it.
    2 points
  42. Beautiful little shark babies have been hatched out of eggs laid at the aquarium.
    2 points
  43. Not hours; minutes. But many. Why? For all crackpots out there: https://www.gapingvoidart.com/
    2 points
  44. Beyond this, it gets rather more complicated when we consider them indoctrinating their children or legislating and putting laws in place motivated by said beliefs. Some might consider it “parenting” and instilling values, while others might see it as a form of abuse and harmful to our collective future.
    2 points
  45. I would like to defer discussion of hydrogen bonding to another thread as it is taking us further and further off topic. The weakest standard bond my copy of Lange's Chemistry Handbook lists is the lithium - Lithium bond at 11 kcal/mol and the strongest hydrogen bond this modern article lists is the formic acid - flouride ion one at 48 kcal/mol (on page 22) https://www.tdx.cat/bitstream/handle/10803/7945/tdhg.pdf?sequence=3Girona But the important point I wanted to make was not the strength if the individual bond but the collective strength of many bonds applied to large mo
    2 points
  46. OK so here is some more Chemistry which I hope will also be useful to Oneworld. As I have mentioned before, homegeny depends upon the scale you are working at. So starting inside the atom things are definitely not homogenous. There is a massive nucleus surrounded by a lot of empty space containing some electrons. Uniformity is represented by saying that every atom of a particular type is the same as every other atom of that type. For example all hydrogen atoms are the same. (for those who know about isotopes I am ignoring them) If we use those atoms to build molecul
    2 points
  47. Nobody here gives a shit what you believe, Jay Tony. This is a topic where facts both exist and matter. https://www.statista.com/topics/5920/minimum-wage-in-the-united-states/ https://www.washingtonpost.com/business/2021/03/03/15-minimum-wage-black-hispanic-women/
    2 points
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