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  1. S

    Irrational Space

    I respectfully disagree about the need to attach significance to the concepts of time and space. Certainly not all people need to do so, but some certainly should.
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    Can alternate radiation model explain redshift?

    No I didn't say that. Perhaps someone else can explain why the Tolman surface brightness test results have been shown to support expansion.
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    Can alternate radiation model explain redshift?

    Supposedly in a static universe the appearant area of a distant object and the radiation intensity will both decrease with the square of the distance, yielding a surface brightness that should be independent of distance. Consequently, the fact that the surface brightness is a function of...
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    Irrational Space

    Perhaps I am just saying stuff that everbody knows, but expressing it very inefficiently.
  5. S

    Irrational Space

    Yes, you are right. My distinctions are not very clear, and it does seem that time and distance are very similar, both conceptually irrational and real. Space-time therefore is also so is it not?
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    Can alternate radiation model explain redshift?

    We can forget Compton scattering for the time being - fine with me. But distant sources are in fact spread out, as evidenced by the Tolman surface brightness test.
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    Can alternate radiation model explain redshift?

    It seems unlikely to me that light could arrive, after billions of years, with all of its directional information intact. By design, the telescopes are filtering out all but the direction-specific wavelengths. Has anyone discussed that on top of inverse square loss there could be another loss...
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    Irrational Space

    The word i used was interval, I think. Never used the word integer. I don't have answers about what irrational space means - it's just my layman's term to convey a lack of clarity on the subject.
  9. S

    Can alternate radiation model explain redshift?

    I suppose the stretching and dimming could be an inherent property of the redshift phenomena, regardless of root cause, but a successful theory would have to show that as you said.
  10. S

    Can alternate radiation model explain redshift?

    That didn't really answer my question but thanks anyway
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    Irrational Space

    by the way - thanks. I checked out the thread that you suggested, and certainly don't want to restart a heated debate that goes nowhere. I withdraw my original comments and label them as "not at all useful" (until such time as someone comes up with a shocking and useful new theory - and then I...
  12. S

    Irrational Space

    Yes, I agree. And that was my point really - that space could not be less complicated than time.
  13. S

    Irrational Space

    It seems like human understanding of space can be no clearer than our understanding of time. I still don't understand time. On the one hand it is a discrete interval; but it is also continuous and infinite. All our science is based on an understanding of this time concept and its constructions...
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    Can alternate radiation model explain redshift?

    What radiation model is used for understanding the cosmological redgarbage? It seems that neither a planar wave nor a point source would represent what we think we are really observing when looking at distant galaxies or exploding stars. Could the observed redshift be a property of the radiation...
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    New Solar Tech Even Works at Night

    Those are two good points that I was not thinking about! I was actually wondering if there would be a lot lower W/m2 because the frequency is somewhere in the infrared I think (I didn't try to figure it out from the article). Certainly the incident energy must be lower in the evening, relative...
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    New Solar Tech Even Works at Night

    That's pretty cool stuff. However, what you are talking about as "getting that out of the way" is the whole process of getting useful electricity out of the material. After that, the sheet materials will be more expensive of course, and exhibit different efficiency. And I wonder how much of...
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    Red Shift = Expanding Universe?

    Thanks Marcus, that was an interesting read. So GR predicts that large distances change with time, ok. That makes me wonder, does GR also predict that if one were observing a variable star at large distances, that the star's observed period (or even luminosity) would be different than the actual...
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    Evidence of the age of the universe

    i really don't know either. honestly though, i think alot of our thoughts are formed through communication, which is not necessarily dependent on current scientific thought. The only way I can see scientific thought changing is as a natural evolution of communication, but of course I can see no...
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    Hydrogen fuel cell cars

    the one thing that may save fuel cells (for hybrid power systems of course) is that they can really last a lot longer than batteries. In this way the batteries can focus chemistry more on high rate and power and less on energy density. I think that when you try to get a lot of power out of a...
  20. S

    Electrically non-conductive thermally conductive material

    also, select graphite materials can be very thermally conductive, and can just be coated with a thin paralyne coating or something to give electrical insulation. this could give you something a lot lighter weight and with better corrosion resistance than some of the metal alternatives. Of course...
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    Evidence of the age of the universe

    Nice argument Dave. But then if there was something wrong with the scientific method, of course we would have to move beyond that as well, so as not to shoot ourselves in the foot.
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    The redshift is how far/long ago?

    ok, i can see what you are saying. however, that requires kinetic energy, which may or may not have to do with gravity. I am just saying that gravitational attraction implies a direction and acceleration (even if the velocity of the body is for some other reason not following the...
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    The redshift is how far/long ago?

    so you are saying that gravity does not involve the acceleration of one rest mass towards another with the consequence that the distance between the two is reduced? And then isn't the changing rate at which this distance is being reduced the same thing as saying that they are accelerating...
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    The redshift is how far/long ago?

    yes, thank you. i had lept forward in my head to a place that i did not communicate well. i meant that the effect of gravity seems to involve a contaction of the space between objects at a rate that is a function of the extent of that space (distance). the redshift implies that space between...
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    The redshift is how far/long ago?

    thank you for that answer. so there is no discernible distance a t which the redshift effect "turns on" vs. gravity? it seems like they might be trying to compete. is there a clear connection between the two?
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    Scientists Say Time is Slowing Down

    If we indeed live in a 4 dimensional universe, then I would certainly entertain a look at a 2dimensional time explanation. I would question the alternative if it weren't for so many nifty equations that match experiments. Three independent spatial dimensions is not really consistent with the...
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    The redshift is how far/long ago?

    How far into space do we need to look before we can see the first signs of redshift?
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    Red Shift = Expanding Universe?

    Hmmm, I didn't know there was more evidence piling up to support the theory. That does get the wheels turning. It is an intriguing idea, I guess. Does the current theory imply that space expands at a rate that is a function of its extent (i.e. local space is not observed to expand because it...
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    A better scientific method?

    I heard somewhere that the goal of physics is to describe the most amount of phenomenon in the fewest terms. I really like that for some reason. Of course then there is the scientific method, which I am less fond of. I wonder, in this day and age, is the scientific method actually limiting...
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    Red Shift = Expanding Universe?

    I have the same feeling. Not very happy with the red shift = expanding universe assumption. OK, there may not be enough mass to account for the observed shift, but what about the waves themselves? I mean all of them. If our redshift measurements of the universe are based on these specific...
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