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:::::::The burden is on those who claim the decay rate was always constant. Prove it. Given that perpetual motion machines are impossible (do you doubt that?), the claim is implausible. The rates for everything else (as cite above) have obviously changed over time, and there is no reason to think that the decay rate is forever unchanged.--[[User:Aschlafly|Andy Schlafly]] 13:58, 25 June 2009 (EDT)
:::::::The burden is on those who claim the decay rate was always constant. Prove it. Given that perpetual motion machines are impossible (do you doubt that?), the claim is implausible. The rates for everything else (as cite above) have obviously changed over time, and there is no reason to think that the decay rate is forever unchanged.--[[User:Aschlafly|Andy Schlafly]] 13:58, 25 June 2009 (EDT)
::::::::Is not the burden on the person who wrote the article stating "But it is a logical tautology to assume that radioactive decay rates have always been constant, even at higher energy levels. Such assumption is identical to assuming that the Earth is old, and hence that argument is circular." This statement is not supported. You have not provided support. Why is friction different now than it was many years ago? [[User:Lexfundamen|Lexfundamen]] 14:20, 25 June 2009 (EDT)
::::::::Is not the burden on the person who wrote the article stating "But it is a logical tautology to assume that radioactive decay rates have always been constant, even at higher energy levels. Such assumption is identical to assuming that the Earth is old, and hence that argument is circular." This statement is not supported. You have not provided support. Why is friction different now than it was many years ago? [[User:Lexfundamen|Lexfundamen]] 14:20, 25 June 2009 (EDT)
:::::::::I'm not sure about the friction argument. The plates "float" on the mantle and the mantle and liquid and its currents can drag the plates along. The plates are not necessarily slowing down, and they were not necessarily moving much faster in the past. Because of the liquid nature of the mantle, the impossibility of perpetually sustained motion does not imply a must faster rate in the past.
:::::::::Also, 1) if the continents were once one landmass and 2) if the Earth is really young (6000 years) then the plates would have had to move at ''incredible'' rates that could not be observed or repeated. The catastrophic plate tectonics models that currently exist (hydroplate and runaway subduction) are lacking, and the latter cannot even work without a miracle. [[User:AddisonDM|AddisonDM]] 18:42, 25 June 2009 (EDT)
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