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Polyani { 28 } has correctly noted that the laws of chemistry and physics as presently understood cannot explain the existence of machines or living systems . Each cell contains a ball or loaf of stored pollen and a single egg . Description : This three-day Signal Timing and Coordination Course is designed to enable the participants to obtain an understanding of fundamental concepts and Mn / DOT standard practices related to traffic signal timing and coordination of signalized intersections along an arterial network . NIST dimensional calibrations and a series of innovative measurement references provide the nation 's manufacturers with compelling evidence ( technically termed " traceability " ) that their parts and final products are of uniformly high quality , satisfying customer specifications and , as warranted , regulatory requirements . " This program started 15 years ago and has since distributed over $ 85 million in scholarships , " Smith said .