<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Jeremy</i>
<br />In rereading parts of Pushing Gravity it impresses me the large variation in theoretical outlook between the different models presented. In general it seems that pushing theories seem to bifurcate into kinetic models (like MM) that have a sea of agents moving around like a gas and electromagnetic wave models that have either low or high frequency photons that are imparting the motive force. Is there some kind of experimentum crucis that could differentiate whether the kinetic or electromagnetic model is the correct approach?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">The primary differentiators are these:
(1) Gravity behaves as if its constituents are particles, not waves, and has no known uniquely wave properties. In contrast, light has all wave properties, but no essential particle property.
(2) From the kinetic theory of gases, the mean speed of the constituents in an aether that serves as the medium for light must be sqrt(5)/3 c. But the mean speed of gravitons must be no less than 2x10^10 c.
(3) Gravitons interact with one another through collisions (the explanation for "dark matter"), "photons" do not.
(4) Gravitons can penetrate matter easily, photons cannot. -|Tom|-
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