Wednesday, October 8, 2014
Random picture - Verne
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Source: (Wikipedia) Journey to the Center of the Earth . ... and the Project Gutenberg version of A Journey to the Interior of the Earth...
Monday, October 6, 2014
Radom pictures - mining
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Source: De Re Metallica by Georgius Agricola (1556) - Project Gutenberg book. "... During 180 years it was not su...
Friday, October 3, 2014
Random picture - MRI
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Source: Helium Shortage Is No Laughing Matter
Thursday, October 2, 2014
Good luck with that...
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Heard on NPR this morning that its very unlikely that Ebola cases will make it to the U.S . Apparently there are a number of checks in p...
And now subtraction...
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The September 13th, 2014 blog entry ' Eh? ' discussed multiplication and the 'skip counting' of the "Common Core....
Random chart - spend spread
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Source: Differentials in the Concentration of Health Expenditures across Population Subgroups in the U.S., 2012 "Highlights ...
Wednesday, October 1, 2014
Random charts - global taxes
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Source: Paying Taxes 2014: The global picture. A comparison of tax systems in 189 economies worldwide (182-page PDF)
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