Nice summary! I just wish he wouldn't have used pounds for comparison... I mean there are 3 countries left on this planet that don't use the metric system offi

Nice summary! I just wish he wouldn't have used pounds for comparison... I mean there are 3 countries left on this planet that don't use the metric system officially. Even the scientists in the US use it. Reminds me of http://www.joeydevilla.com/wordpress/wp-content/uploads/2008/08/king-henrys-foot.jpg http://www.joeydevilla.com/wordpress/wp-content/uploads/2008... But given how he managed to simplify such a complex technology to an easy-to-read article I don't really want to criticize him for using the wrong unit system.