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On 22/04/2013 3:17 PM, Steve Willner wrote:
In article , Yousuf Khan writes: Not saying it's creating a mass, I'm saying it just creates a force What you are proposing is several layers of "new physics." That doesn't guarantee your proposal is wrong, but it's far from the first thing people will be looking at. Yes, I am probably proposing new physics, or at least new interpretations of existing physics. I mean, how was the force-distance relationship arrived at for the Strong Interaction in the first place? Was it basically just a curve fit from experimental results? Below 0.7fm it's repulsive, between 0.7 and 2.0fm it's attractive, and above that it's negligible or zero? So it doesn't really look like we have a truly well-understood force-distance equation for it, like we do for gravity or electromagnetism, i.e. the inverse square law. It would only be a constant, because we call it a "cosmological constant", The constant in the Friedman equation really is a constant. Having it vary with time would be "new physics," but only one layer. we have no idea if it is truly constant or not. "No idea" is a little strong. Time variation has been looked for and isn't ruled out, but existing data show no evidence of variation. Well, we know that they've found some small hints that it might be varying over time. Perhaps 13.8 billion years is not yet enough time to see a really large variation in the "constant". There is a theory of Dark Energy called Quintessence that proposes Dark Energy is a varying force. Quintessence (physics) - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Quintessence_(physics) Yousuf Khan |
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