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10 sigma in the news again

Image via Wikipedia Risks are magnified after a historically volatile event like Thursday. The 11.3% intraday move was a 10 sigma event (if you treat the daily range of SPY as a normal Gaussian distribution). Per the excellent blog at http://www.aleph.se/andart/archives/2009/09/ten_sigma_numerics_and_finance.html, a 10 sigma event can be expected to occur  in 1x 10^23 days or […]

complexity in the curriculum

Image via Wikipedia The college  in-briefed the new Commander yesterday; From the dialogue emerged his 4 priorities: FYSA.  LD&E executed its orientation briefing to LTG Caslen yesterday, and one slide briefly illustrated the following as the CG’s top four priorities: 1.  Leader Development (sub-bullets below are not all-inclusive) – Develop and implement ILE 2010 – […]

Systems dynamics meets the Afghan war via Powerpoint

It is becoming a common practice to laugh at that slide, but try on this thought experiment: what if someone made a slide of a zoom in on the surface of a semi-conductor chip? Wouldn’t that seem as incomprehensible and “foolish”? and yet by the slow process of developing knowledge we have become capable of extraordinary […]

Obama declares people of Arizona are irresponsible

Image via Wikipedia Obama,  elected by citizens, according to the law,   has declared the citizens and their duly elected representatives, who followed the law to pass a law, as irresponsible. You would expect that from true believers, who see the world in absolutes: the members of this group include children,  the naive, idealists, utopianists, and […]

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