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On this day: April 16

Published On: Apr 15 2013 11:35:29 AM CDT   Updated On: Apr 16 2014 01:00:00 AM CDT

LSD's creator drops acid (accidentally) for the first time, Martin Luther King writes his "Letter from Birmingham Jail," The Rolling Stones release their debut album, and tragedy strikes Virginia Tech, all on this day.

OTD April 16 - Edward Lorenz
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M.I.T. News Office

2008: Mathematician and meteorologist Edward Norton Lorenz, a pioneer of chaos theory who coined the term "butterfly effect," dies of cancer at the age of 90 in Cambridge, Mass. Lorenz, a professor at Massachusetts Institute of Technology, was trying to explain why it is so hard to make good weather forecasts when he discovered chaos theory in 1961.

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