A lecture about the Amateur Radio Emergency Data Network in Providence. Presented at the InfraGard RI Members Alliance meeting. Slides: Amateur Radio Emergency Data Network (PDF)

A lecture about the Amateur Radio Emergency Data Network in Providence. Presented at the InfraGard RI Members Alliance meeting. Slides: Amateur Radio Emergency Data Network (PDF)
A lecture about the history of timekeeping at Ladd Observatory. Presented at the Ladd Observatory 125th anniversary, October 21, 2016. Slides: From Star to Clock: Timekeeping at Ladd Observatory (PDF)
A lecture about Wikipedia GLAM: Galleries, Libraries, Archives, and Museums. Presented at the Ada Lovelace Wikipedia Edit-a-thon, October 15, 2013. Slides: Wikipedia GLAM (PDF)
A lecture about author H.P. Lovecraft and his connection to Ladd Observatory. Presented at Necronomicon Providence, August 25, 2013. Slides: Cosmic Inspiration: Lovecraft’s Astronomical Influences (PDF)