Carbon dating quotes

By combining Von Weizsacker’s argon abundance arguments with Kohlhorster’s observation that potassium emitted gamma-radiation, Bramley (1937) presented strong evidence that potassium underwent dual decay.Thompson and Rowlands (1943), using a cloud chamber, confirmed that Ar variation of K-Ar dating grew out of iodine-xenon dating studies of meteorites by Jeffery and Reynolds (1961).Of course, Kelvin formed his estimates of the age of the Sun without the knowledge of fusion as the true energy source of the Sun.Without this knowledge, he argued that, “As for the future, we may say, with equal certainty, that inhabitants of the Earth cannot continue to enjoy the light and heat essential to their life, for many million years longer, unless sources now unknown to us are prepared in the great storehouse of creation.” This last statement was prophetic.However, before this time some very popular indirect methods were available.For example, Lord Kelvin had estimated the ages of both the Earth and the Sun based on cooling rates.“The fascinating impressiveness of rigorous mathematical analyses, with its atmosphere of precision and elegance, should not blind us to the defects of the premises that condition the whole process.

Other factors and basic assumptions must also be considered.The solar estimate was based on the idea that the energy supply for the solar radioactive flux is gravitational contraction.These two independent and agreeing dating methods for of the age of two primary members of the solar system formed a strong case for the correctness of his answer within the scientific community.Of course, this was a close as Kelvin ever came to publicly recanting his position.Later, after radioactivity had been proven to be a significant source of the Earth’s internal heat, he did privately admit that he might have been in error.

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