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Clarifying Space, "Ether" and Nothingness
On Sun, 21 Sep 2008 14:38:39 GMT, "JB" wrote:
In most of science, God is unthinkable. .... "FREE SPACE" with respect to antenna theory is what? I thought it was conceptual place Two thoughts, both wrong. It takes very little investigation to confirm their errors. The greatest proponent of science, accuracy, and religion (thus confounding the first quote above), Lord Kelvin, offered: "Do not be afraid of being free thinkers. If you think strongly enough you will be forced by science to the belief in God, which is the foundation of all religion. You will find science not antagonistic but helpful to religion." quoted by Rev. Professor Henslow, May 1903 Similar quotes from Einstein, Oppenheimer, Feynman... are legion. Is there truly a difference for our calculations between outer space and several wavelengths above ground in reasonably dry air? This appears to be set up with the word "truth" to always yield a proof of invalidity. Any standard reference reveals the difference and is so commonly available as to make one wonder how this question arrived on the doorstep. Engineering deals not with truths (however many would like to force fit that term into conversation) but with practical implementations. Is there a practical difference for our calculations? No, not unless you have a particular need for accuracy and precision. Precision is often unnecessary, especially extra digits stretching beyond the resolution of the original data supplied to give those computational results. However, accuracy is all, but it does not demand the nebulous qualifier (in itself a distraction) of "truth." You can be accurate to 1 place of resolution, or to 10. Men have been sent to the gallows without any precision or accuracy of a measurement and that verdict was weighed on the "truth" of the evidence. Men have been rescued from the gallows on the basis of parts-per-million discrepancies that proved their innocence, and "truth" was never determined, only falsity. 73's Richard Clark, KB7QHC |
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