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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Space-time, Big Bang and Black Holes.
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<blockquote data-quote="sjastro" data-source="post: 77142126" data-attributes="member: 352921"><p>You are right light doesn’t “know” which path to take but your reasoning doesn’t explain why this is the case.</p><p>This where the power of simple mathematics using Pythagoras theorem, trigonometry and calculus to derive Snell’s law from Fermat’s principle explains why light travels in the least amount of time without having prior knowledge.</p><p></p><p style="text-align: center">[MEDIA=youtube]3Etj75qzGg0[/MEDIA]</p></blockquote><p></p>
[QUOTE="sjastro, post: 77142126, member: 352921"] You are right light doesn’t “know” which path to take but your reasoning doesn’t explain why this is the case. This where the power of simple mathematics using Pythagoras theorem, trigonometry and calculus to derive Snell’s law from Fermat’s principle explains why light travels in the least amount of time without having prior knowledge. [CENTER][MEDIA=youtube]3Etj75qzGg0[/MEDIA][/CENTER] [/QUOTE]
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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Space-time, Big Bang and Black Holes.
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