Scholarly work showing the evolution of the si system i was only vaguely aware of how the meter was defined so this was quite interesting even more interesting was the effort of some to introduce decimal time with 10 day weeks 100 minute hours with 100 secondsetc and that france actually used this system for several years. The measure of all things is an excellent book ken alder presents a superb narrative of the epic geodetic expedition that resulted in the definition of the metric system with a close focus on the french astronomers mechain and delambre who undertook the measurement of the global meridian through paris. Their mission was to measure the world or at least that piece of the meridian arc which ran from dunkerque through paris to barcelona their hope was that all the worlds peoples would henceforth use the globe as their common standard of measure. The quest to discover life beyond earth documentary explore planet in solar system and beyond touch your heart 1076 watching live now. The measure of all things is the astonishing story of one of historys greatest scientific quests a mission to measure the earth and define the meter for all nations and for all time yet when ken alder located the long lost correspondence between the two men along with their mission logbooks he stumbled upon a two hundred year old secret
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