Visitor Messages

Showing Visitor Messages 1 to 20 of 6779
  1. RedCherub
    Today 01:39 AM
    I have no idea what you're talking about.
  2. RedCherub
    08-26-2015 10:31 PM
    I have no idea what that means.
  3. Mikk
    08-26-2015 11:17 AM

    The expansion is being opposed by another force. We don't know what it is; the easiest candidate is Gravity, but there is no observed source. In other words, "dark energy" and "dark matter" were cooked up to serve as causes for an unexplained effect, even thought there is no evidence for them other than the unexplained affect on expansion... sort of like Natural Selection as a faux explanation for Speciation.

    I thought the rate of expansion is increasing? As I've understood it, the expansion and the increasing rate of expansion is due to "dark energy" and "dark matter"?

    Absolute Zero is not a condition of "no energy"... it is a condition of minimum thermal energy.

    Hm, I phrased it wrong, I think.
    What I meant was that if the heat death happens and entropy "wins", will not all the energy in the universe be equally dispersed, but in an ever expanding space, and unable to really do anything? Will all the "building blocks" just float around in the void?

    As far as we have been able to determine experimentally, nuclear decay is not affected by conditions of Gravitational, Electric or Magnetic Fields, nor is it sensitive to changes in Temperature.

    Is it a universal constant?

    It is a pretty lonely thought, actually. If expansion continues, "heat death" will occur. A trillion years from now, our galaxy will be a dark, burned-out cinder, the ashes of long-dead stellar fusion held together by gravity... lifeless and alone, it will plunge headlong into an eternally black abyss of nothingness, there to remain for all time.

    Philosophically it sounds beautiful. The final rest of of a universe born from chaos, lived by order and then dies, completely dispersed. Personally, it sounds awfully boring. If a higher consciousness exists, I hope it will have some good games to pass the time.
    Thank you for answering my questions, btw! These thoughts always bug me and it's nice to straighten them out a bit and put false patterns to rest.

  4. EchoFlame
    08-25-2015 11:28 PM
    EchoFlame commented on Insufferable Assholes!
    Leave Ayn Alone!
  5. Clueless
    08-25-2015 08:58 PM
    LOL. This is simple shit. As you say, they rolled the dice and lost doesn't matter how or why. But as you point out, it's more than a little hypocritical to cry foul on the issue of trust.
  6. Clueless
    08-25-2015 08:50 PM
    Clueless commented on Ashley Madison (Infidelity Dating Site) Hacked
    Hard to argue with that logic.
  7. Mikk
    08-25-2015 01:33 PM

    All we actually "see" is an effect on the rate of expansion of the universe that some have attributed to the gravitational attraction of vast quantities of matter for which there is no other evidence. The analogy with theories of Macro-Evolution would be obvious, were people willing to see it... you know, a theory supported by mostly invisible evidence.

    So there is something there affecting it but we don't have the tools or know-how to actually be able to measure it or put it in an equation?

    The physical indicators suggest that the universe is headed for "heat death" rather than a "Big Crunch". Even at absolute zero, however, not all atomic motion has stopped; therefore, the "positions" of every particle would still be matters of approximation.

    But.. but if there is motion there has to be energy to drive said motion? You can't have motion without energy! Or is Newton's law of motion at play here? A big crunch somehow makes me feel a bit more at ease with the "end". At least then it'll all get mixed up again and we'll "start" at the big bang again.

    Determinism-forward-in-time is also something about which there is debate. Processes like nuclear decay seem to be "random" to a high degree of approximation, but that isn't a proof. Further, it is known that physical processes are not deterministic backward in time; that is, for certain systems (Thermodynamical ones in particular), a given physical state can have arisen from many initial states.

    Is nuclear decay affected easily? A slight difference in temperature and it will act differently? Is it affected by gravity? Magnetic fields?
    Thank you for "Determinism-forward-in-time", will read about it in the coming days. Too confused and baffled to have any questions about it now.

    Also, expansion is probably not a Thermodynamic phenomenon, so it seems unlikely that "heat death" would affect it.

    So space will continue to expand and time will go on? Eternity and entropy, hand in hand. Sounds strange.

  8. Mikk
    08-25-2015 11:36 AM
    Hmm, what do you make of it? Dark matter does not interact with light but we can see it's gravitational affect on the universe with the expansion of galaxies? Will atoms seperate too, theoretically, when the nuclear force is "overpowered" by dark energy? Or was it dark matter?
    If we are headed for a big freeze with energy equilibrium and complete entropy, is it possible then to know the exact position of every single particle? Let's say an intelligence remains to figure this out. If we can know the exact positon of every single particle, will we be able to achieve foresight? And if the big freeze will happen, will space continue to expand and the seperation continue too? What will happen with time?
  9. Mikk
    08-25-2015 09:54 AM
    Monte, is it possible to figure out how much energy there is in the universe?
  10. Stek
    08-25-2015 09:34 AM
    Thanks. Cool avatar!
  11. eagleseven
    Not surprising.
  12. Sarea
    08-24-2015 07:46 PM
    Thanks for the link, Monte.
  13. Sarea
    08-24-2015 07:41 PM
    CEO levels?
  14. Sarea
  15. napsack
    08-24-2015 05:25 AM
    Newly minted yesterday!
  16. TzarAlexander
    08-22-2015 10:02 PM
    TzarAlexander commented on Apparently I'm a Squirrel!?
  17. Skybound
    08-22-2015 08:18 PM
    If we consider the hamburger bread to be the "change", then the bulls really "got over it".
  18. Skybound
    08-22-2015 10:23 AM
    Silly cows, if only they could be more polite.
  19. Skybound
    08-22-2015 10:11 AM
    Oh, I thought it was an idiom or something.

    Do they usually knock on the door?
  20. K27
    08-22-2015 09:55 AM
    No I haven't. I have not yet finish my study of complex number, because I have so many gaps to fill in before I can do that last section for complex number ... It now seems to me complex number is a very very handy tool. It can handle integrals like that, where substitution is not helping you!

About Me

  • About Monte314
    Jedi Math Dog!
    Melbourne, Florida
    Math, Astronomy
    Chief Scientist, Professor
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