Sigma Series Lectures The Sigma Series Lectures, presented at the Virginia Air and Space Center in downtown Hampton, provide to the general public monthly presentations related to science and technology. If you would like to be notified by e-mail of upcoming Sigma Lectures, please send your address to 4sigma dash list at logicteacher dot com.
	Upcoming Lectures (In Chronological Order) Sigma Series Lectures December 1, 2009, 7:30 p.m. Crazy Robots and the Students Who Build Them by NASA Knights Robotics Team and team members from local area schools January 12, 2010, 7:30 p.m. There is no Sigma lecture this month. February 2, 2010, 7:30 p.m. TBA by TBA March 2, 2010, 7:30 p.m. TBA by Sumwalt, NTSB, Aviation Accident Investigations
	Recent Past Lectures (In Reverse Month Chronological Order) Sigma Series Lectures November 3, 2009, 7:30 p.m. Jellyfish-Inspired Engineering by Dr. John Dabiri October 6, 2009, 7:30 p.m. HURRICANE OF INDEPENDENCE: The Untold Story of the Deadly Storm at the Deciding Moment of the American Revolution by Tony Williams
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