- 2015/09 Public talk, Alberta Star Party, Calgary, Canada, Taking a census of alien life in our galactic neighborhood
- 2015/08 Justin Huang Memorial Lecture, U. Missouri, Finding life in the universe
- 2015/04 Public talk, IfA/Maui:
"Making Telescopes to Look for Life"
- 2014/09 Radio Broadcast, SETI Institute:
"Intelligent Life in the Universe"
- 2014/06 Plenary Invited Talk Optical Society of America, Optical Fabrication:
"Finding Life in the Universe: The Colossus Project"
- 2014/04 Invited public talk, TEDxHonoluluEd, Honolulu:
"Existential Education, Cosmic Intelligence, and the Colossus Project"
- 2013/10 Public talk, IfA/Maui:
"How to find an alien life"
- 2013/09 Invited Seminar, SETI Institute:
"The Colossus Telescope and the search for ET"
- 2013/06 Public talk, IfA/Maui:
"Fermi Paradox Revisited"
- 2012/09 Invited public talk, TEDxMaui:
"Liberating the scientist in all of us"
- 2012/07 "The City Dark" documentary interviewee, by Ian Cheney, Wicked Delicate Films LLC:
NYT review and trailer
- 2010/01 Public talk, IfA/Maui:
Could the Sun be shrinking?"
- 2008 Founder annual public open house (more than 1500 visitors to date), IfA/Maui
- 2008 Founder monthly public lecture series (more than 5000 visitors), IfA/Maui
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