Sanjoy Mahajan [0], who is the author of perhaps the two best books on Fermi estimation (freely available online, too!), has linked on his website a really fasc

Sanjoy Mahajan [0], who is the author of perhaps the two best books on Fermi estimation (freely available online, too!), has linked on his website a really fascinating account of an experiment to reform mathematical K-12 education from 70+ years ago [1]. [0] http://web.mit.edu/sanjoy/www/ http://web.mit.edu/sanjoy/www/ [1] http://www.inference.phy.cam.ac.uk/sanjoy/benezet/ http://www.inference.phy.cam.ac.uk/sanjoy/benezet/