Jump to content

swansont

Moderators
  • Posts

    54692
  • Joined

  • Last visited

  • Days Won

    321

Everything posted by swansont

  1. Should be, but is it? Sometimes iCloud just mirrors the device. One needs to check.
  2. One should include some part of the research findings “The byproducts generated by the reentry of satellites in a future scenario where mega-constellations come to fruition can reach over 360 metric tons per year. As aluminum oxide nanoparticles may remain in the atmosphere for decades, they can cause significant ozone depletion.” (Moved from Science News, since this isn’t a news source)
  3. What does gravity have to do with anything?
  4. Claiming we’re running out means quantifying how much we have, and how much we use. Otherwise this is just empty rhetoric. Science forum, remember? “the burst emitted more energy than the lasers delivered. But it didn’t produce enough energy to run all the lab equipment powering the lasers. It took some 300 million joules of energy from the electrical grid to do the experiment” https://www.snexplores.org/article/breakthrough-physics-experiment-fusion-energy 300 MW-s of energy might sound like a lot, but 300 MW-s is less than 0.1 MW-hr, and the US alone produced more than 4 billion MW-hr of electricity in 2023. One part in 40 billion, of just one country’s generation. That’s a tiny drop in the bucket. It’s not “vast”
  5. Projects don’t work, until they do. R&D projects don’t work, almost by definition, while they are ongoing. If you can’t define the threshold, numerically, of what is or isn’t ethical, then this is just bullshitting
  6. Define “vast” numerically. How much energy was expended before the year ~2005 to develop solar power? Should we have stopped because solar was so pitiful at that time?
  7. No, it doesn’t. I did not ask for the number, I asked how you can get this configuration. You can’t arbitrarily declare the masses are this close, or that it’s spread arbitrarily thin. Masses come in discrete chunks - electrons, protons, neutrons, etc. In an atom, the neutrons and protons only get to around 1 fm (10^-15m). The planck mass is just a derived number, as are all of the planck terms. There is no guarantee that you can configure a system to have these parameters. It’s a unit system, but nothing more.
  8. You could test this yourself by taking a test photo, backing up your phone, and then deleting the photo.
  9. CharonY is correct in terms of monetary benefit, and that there is no other direct benefit to you. There is an indirect benefit in that peer review requires reviewers. If nobody does it, the system grinds to a halt. If you expect others to review things you write, you need to occasionally review articles.
  10. Like I said about your conjecture regarding evolution, I don’t see where fairness enters into this.
  11. Since you avoided answering my question, you force me to repeat it: How do you get that much mass in such close proximity?
  12. ! Moderator Note Posting video without the summary for discussion is against the rules.
  13. The Planck force is, as you note, the gravitational attractive force of two Planck masses, 1 Planck length apart. The Planck mass is about 20 micrograms. How do you get that much mass in such close proximity?
  14. We’re not discussing millions. We’re discussing one person, who started this thread, and used the term incel. You’re the one who barged in and has tried to divert the discussion. (One might wonder how you happened upon this discussion)
  15. It means involuntary celibacy. I’m not aware of this forum lineage you mention, so it can’t be that, but there is a subculture associated with the name, not unlike the religious extremists that are a subculture religion. (IOW, I’m certain that men are around who are not having sex but do not misplace the blame for it, or even place any blame)
  16. On the contrary, I think you’re the one expanding the discussion beyond what the OP discussed, which included certain terminology that has a particular meaning. Whatever “that forum” is, it’s not part of this discussion.
  17. Precisely. “teleport through a superposition/entangled states” in nonsensical The main issue is that m^2c is incorrect (square of a given unit of mass times the speed of light) A number people have, through the years Precision is much better, if communication is the goal. One must assume you mean what you say. Energy is given by E^2 = m^2c^4 + p^2c^2 It reduces to mc^2 for objects at rest. For photons the mass term goes to zero and E = pc You’re equating things that are not, in fact, equal Energy in massive objects is generally not in the form of photons; mass is a property of matter — they are not one and the same. You can’t “take away” mass in an arbitrary fashion. You can annihilate matter with antimatter, but that’s a very specific situation.
  18. Claimed without support or evidence. Word salad. That’s not correct. Rømer estimated it in 1676, so this isn’t exactly a secret. That’s quite a different claim from we know nothing about it
  19. “Is there a center of the mind” is a question for science to investigate. Assuming an answer, one way or another, is not; it lends itself to cherry-picking results to support the assumption. (cherry-picking is bad)
  20. Folks that ignore feedback tend not to last that long, because that includes suggestions to follow the rules. There’s a pretty strong correlation between negative rep and chronic rule-breaking.
  21. Why do you assume one exists?
  22. It depends on making a region with a lower energy density than the vacuum, which requires negative mass. Which, at this time, is fictional. Can I let go now? There are people who understand something about light. I am one of them Light is electromagnetic radiation and can be polarized. That’s two things “we” know about light. It would seem that thought was not a large part of this process
  23. These are science fiction, not physics. (the Alcubierre warp drive, while treated in some physics, depends on fictional material) It’s a comic book. Who is “we”? (matter contains very few photons)
  24. Summing forces is just vector addition. A 1 N force at 30 degrees to the x axis is 0.5 N in the y direction and 0.866 N in the x direction. You can work this in the other way; the sum of the x and y force gives you 1N (0.5^2 + .866^2 = 1) at 30 degrees
  25. talanum46 has been banned as a sockpuppet of Willem F Esterhuyse
×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.