Are you buoyant with questions from the latest episode of STEM in 30 on hot air balloons? What else do you want to know about ballooning? Join the STEM in 30 team and balloon expert Bill Costen as they take your questions. What do you want to know?

You can tune in to the webcast on this page or watch on Facebook Live on the STEM in 30 Facebook page. Be sure to watch the recent STEM in 30 episode, Pushing the Envelope: The Art and Science of Ballooning, to prepare!

STEM in 30 is the National Air and Space Museum’s webcast series that provides shows and live discussions for middle school students. Tune in every month to share the fascination of aviation and space with your students.