Sigma Series Lectures The Colloquium and Sigma Series Lectures have moved to colloqsigma.larc.nasa.gov. Please update your bookmarks and links to point to that site. This site will continue to function for several months, but it will not be updated. Here is a direct link to upcoming 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. Upcoming Lectures (In Chronological Order) Sigma Series Lectures April 2, 2013, 7:30 p.m.: Cheating the Death of the Sun by Relativistic Interstellar Spaceflight by Friedwardt Winterberg May 7, 2013, 7:30 p.m.: Michael Mann June 4, 2013, 7:30 p.m.: Joe Chambers
	Recent Past Lectures (In Reverse Month Chronological Order) Sigma Series Lectures March 5, 2013: The Science Behind the Taming of the Deepwater Horizon Oil Spill by Paul Hsieh February 5, 2013: Hampton University Proton Therapy Institute: Fighting Cancer, Saving Lives by Keith Gregory January 8, 2013: Too Big to Know by David Weinberger December 4, 2012 Designs of Expandable Structures by Chuck Hoberman November 6, 2012 CCAM: A Game Changing Advanced Manufacturing Research Model by David R. Lohr October 2, 2012 Truth, Lies, and O-rings: Inside the Space Shuttle Challenger Disaster by Allan J. McDonald September 11, 2012 Aeronautical Entrepreneuring with UAVs by Steven M. Sliwa
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