Here is a list of presentations that I've given in reverse chronological order.
Astro-Tourism: A Meridian Line in a Church in Rome
Wednesday, December 11, 2024 . Encore Village
Stargazing for All: Learn the Zodiac (Ecliptic Constellations)!
Thursday, October 24, 2024 . Chicago Botanic Gardens
Artificial Intelligence in Astronomy
Saturday, October 12, 2024 . Popular Astronomy Club, Moline, IL
Optical Illusions and the Moon Illusion
Tuesday, September 17, 2024 . Des Plaines Public Library
Amateur Astronomers Attend an Astronomy Conference: A Report on AAS244
Friday, September 13, 2024 . Skokie Valley Astronomers . Glenview Public Library
Optical Illusions and the Moon Illusion
Wednesday, July 10, 2024 . Lincolnwood Public Library
Artificial Intelligence in Astronomy
Friday, June 21, 2024 . Northwest Suburban Astronomers, Harper College
Stargazing for All: Learn the Zodiac (Ecliptic Constellations)!
Thursday, June 20, 2024 . Chicago Botanic Garden
Astro-Tourism: A Meridian Line in a Church in Rome
Saturday, May 18, 2024 . Northwest Suburban Astronomers, Astronomy Day, Harper College
The Skies of 2024
Thursday, March 28, 2024 . Encore Village, Schaumburg
The Skies of 2024
Thursday, March 14, 2024 . Lincolnwood Public Library
A History of Imaging the Crab Nebula
Thursday, March 7, 2024 . Skokie Valley Astronomers . Glenview Public Library
Artificial Intelligence in Astronomy
Friday, February 16, 2024 . Lake County Astronomical Society
The Skies of 2024
Friday, January 19, 2024 . Des Plaines Public Library
The Skies of 2024
Thursday, January 11, 2024 . Chicago Botanic Garden
Artificial Intelligence in Astronomy
Thursday, January 4, 2024 . Northern Cross Science Foundation . Jackson Area Community Center in Jackson WI
The Skies of 2024
Friday, December 8, 2023 . Skokie Valley Astronomers . Ryerson Welcome Center
Artificial Intelligence in Astronomy
Friday, July 14, 2023 . Skokie Valley Astronomers . Glenview Public Library
Underground Observatories — “Seeing” the Universe Through Solid Rock
Friday, June 2, 2023 . Northwest Suburban Astronomers . Barrington Area Library
The Variety of Cosmic Maps
Saturday, April 29, 2023 . Astronomy Day, Northwest Suburban Astronomers . Harper College
The Skies of 2023
Friday, January 13, 2023 . Skokie Valley Astronomers . Glenview Public Library
Imaging Exoplanets by Looking Past the Sun
Friday, December 9, 2022 . Skokie Valley Astronomers . Glenview Public Library
World Migratory Bird Day — The Importance of Dark Skies
Wednesday, May 18, 2022 . Grayslake Village Hall
The Variety of Cosmic Maps
Friday, July 8, 2022 . Skokie Valley Astronomers . Cernan Earth and Space Center
Dancing Planets, Sky Pictures, and Streaks of Light: Coming Soon To a Sky Near You!
Friday, December 10, 2021 . Skokie Valley Astronomers . Online via Zoom
The Arecibo Observatory: A Retrospective
Friday, April 9, 2021 . Skokie Valley Astronomers . Online via Zoom
DIY: Make Your Own Spacecraft Models ... And Cookies!
Friday, November 13, 2020 . Skokie Valley Astronomers . Online via Zoom
Underground Observatories — “Seeing” the Universe Through Solid Rock
Friday, September 11, 2020 . Skokie Valley Astronomers . Online via Zoom
Radio Astronomy at the MIT Haystack Observatory
Friday, April 10, 2020 . Skokie Valley Astronomers . Online via Zoom
NIAC: NASA's Exciting Innovation Funding Program
Friday, November 8, 2019 . Skokie Valley Astronomers . Ryerson Welcome Center
'Oumuamua: Natural Object or Alien Probe?
Saturday, October 26, 2019 . Cook Park Library, Libertyville
The Machines of Spaceflight: Now versus the Future
Thursday, August 29, 2019 . Geneva Lakes Astrophysics and STEAM . Riviera Ballroom, Lake Geneva, WI
The Machines of Spaceflight: Apollo versus Now
Thursday, July 25, 2019 . Geneva Lakes Astrophysics and STEAM . Riviera Ballroom, Lake Geneva, WI
'Oumuamua: Natural Object or Alien Probe?
Saturday, May 11, 2019 . Astronomy Day, Northwest Suburban Astronomers . Harper College
'Oumuamua: Natural Object or Alien Probe?
Friday, February 8, 2019 . Skokie Valley Astronomers . Ryerson Welcome Center
Are We Prepared For the Next Carrington Event?
Friday, September 14, 2018 . Skokie Valley Astronomers . Ryerson Welcome Center
Curious Exoplanet Scientists Want To Know: Is There Life on Earth?
Saturday, April 21, 2018 . Astronomy Day, Northwest Suburban Astronomers . Harper College
Curious Exoplanet Scientists Want To Know: Is There Life on Earth?
Friday, November 10, 2017 . Skokie Valley Astronomers . Ryerson Welcome Center
The Antikythera Mechanism
Saturday, April 29, 2017 . Astronomy Day, Northwest Suburban Astronomers . Harper College
How We're Preparing for the 2017 Eclipse
Friday, December 9, 2016 . Skokie Valley Astronomers . Ryerson Welcome Center
Einstein Destroys Vulcan!
Friday, July 8, 2016 . Skokie Valley Astronomers . Ryerson Welcome Center
Einstein Destroys Vulcan!
Saturday, May 14, 2016 . Astronomy Day, Northwest Suburban Astronomers . Harper College
New Research on the Solar Cycle
Friday, November 13, 2015 . Skokie Valley Astronomers . Ryerson Welcome Center
The Machines of ALMA
Saturday, April 25, 2015 . Astronomy Day, Northwest Suburban Astronomers . Harper College
Citizen Science: Finding Pulsars via BOINC
Friday, March 13, 2015 . Skokie Valley Astronomers . Ryerson Welcome Center
Optical Illusions and the Moon Illusion
Saturday, May 10, 2014 . Astronomy Day, Northwest Suburban Astronomers . Harper College
The Machines of ALMA
Friday, March 14, 2014 . Skokie Valley Astronomers . Ryerson Welcome Center
Optical Illusions and the Moon Illusion
Friday, September 13, 2013 . Skokie Valley Astronomers . Ryerson Welcome Center
Optical Illusions and the Moon Illusion
Saturday, April 20, 2013 . Astronomy Day, Northwest Suburban Astronomers . Harper College
Radioactive Decay and Solar Flares
Friday, February 8, 2013 . Skokie Valley Astronomers . Ryerson Welcome Center
Don't Miss the last Venus Transit of Your Lifetime!
Friday, May 11, 2012 . Skokie Valley Astronomers . Ryerson Welcome Center
How To Find the Planets in the Night Sky
Saturday, April 28, 2012 . Astronomy Day, Northwest Suburban Astronomers . Harper College
The Antikythera Mechanism
Friday, September 9, 2011 . Skokie Valley Astronomers . Ryerson Welcome Center
How To Find the Planets in the Night Sky
Saturday, May 7, 2011 . Astronomy Day, Northwest Suburban Astronomers . Harper College
Artificial Gravity, in the lab, on Earth
Friday, September 10, 2010 . Skokie Valley Astronomers . Ryerson Welcome Center
How To Find the Planets in the Night Sky
Saturday, April 24, 2010 . Astronomy Day, Northwest Suburban Astronomers . Harper College
The Pioneer Anomaly
Friday, April 9, 2010 . Skokie Valley Astronomers . Ryerson Welcome Center
Relativity and the 1919 Solar Eclipse
Friday, August 14, 2009 . Skokie Valley Astronomers . Ryerson Welcome Center
How To Find the Planets in the Night Sky
Saturday, May 2, 2009 . Astronomy Day, Northwest Suburban Astronomers . Harper College
Spinoffs From the Space Program
Friday, October 10, 2008 . Skokie Valley Astronomers . Ryerson Welcome Center
Update on Apophis
Friday, August 8, 2008 . Skokie Valley Astronomers . Ryerson Welcome Center
How To Find the Planets in the Night Sky
Saturday, May 10, 2008 . Astronomy Day, Northwest Suburban Astronomers . Harper College
My Top Ten 2006 “Astronomy Picture of the Day”
Friday, June 8, 2007 . Skokie Valley Astronomers . Ryerson Welcome Center
How To Find the Planets in the Night Sky
Saturday, April 21, 2007 . Astronomy Day, Northwest Suburban Astronomers . Harper College
Tag an Asteroid (99942 Apophis)
Friday, April 13, 2007 . Skokie Valley Astronomers . Ryerson Welcome Center
How To Find the Planets in the Night Sky
Saturday, May 6, 2006 . Astronomy Day, Northwest Suburban Astronomers . Harper College
Astro-Tourism: A Meridian Line in a Church in Rome (with Frances Dellutri)
Friday, August 12, 2005 . Skokie Valley Astronomers . Ryerson Brushwood
Using Celestial Coordinates
Friday, Septembr 10, 2004 . Skokie Valley Astronomers . Ryerson Brushwood
Venus Crosses the Sun!
Friday, April 9, 2004 . Skokie Valley Astronomers . Ryerson Brushwood
A Hypernova in Leo
Friday, August 8, 2003 . Skokie Valley Astronomers . Ryerson Brushwood
How To Find the Planets in the Night Sky
Saturday, May 6, 2003 . Astronomy Day, Northwest Suburban Astronomers . Harper College
Updating Kepler's Dream: Observing the Earth FROM the Moon
Friday, August 9, 2002 . Skokie Valley Astronomers . Ryerson Brushwood
Stargazing for Everyone: Learn the Zodiac (Ecliptic Constellations)!
Friday, April 12, 2002 . Skokie Valley Astronomers . Ryerson Brushwood
The Music of the Spheres (with Frances Dellutri)
Friday, May 11, 2001 . Skokie Valley Astronomers . Ryerson Brushwood
How To Find the Planets in the Night Sky
Saturday, May 5, 2001 . Astronomy Day, Northwest Suburban Astronomers . Harper College
Astronomy, 1900 & 2000
Friday, December 8, 2000 . Skokie Valley Astronomers . Ryerson Brushwood
Astronomy FROM the Moon
Friday, May 12, 2000 . Skokie Valley Astronomers . Ryerson Brushwood
Astro-Catastrophes and Ancient Civilizations
Friday, August 13, 1999 . Skokie Valley Astronomers . Ryerson Brushwood
Bad Science in a Good Movie: “Deep Impact”
Friday, March 12, 1999 . Skokie Valley Astronomers . Ryerson Brushwood
Optical Illusions and the Moon Illusion
Friday, August 8, 1997 . Skokie Valley Astronomers . Ryerson Brushwood
Black Holes
Friday, May 10, 1996 . Skokie Valley Astronomers . Ryerson Brushwood
Black Holes
Friday, May 12, 1995 . Skokie Valley Astronomers . Ryerson Brushwood
Color in the Cosmos
Friday, May 13, 1994 . Skokie Valley Astronomers . Ryerson Brushwood
Astronomy Information Online
Friday, March 11, 1994 . Skokie Valley Astronomers . Ryerson Brushwood
Computers in Astronomy Made Simple
Friday, April 9, 1993 . Skokie Valley Astronomers . Ryerson Brushwood
Observing the Face of the Moon
Friday, December 11, 1992 . Skokie Valley Astronomers . Ryerson Brushwood
The Aurora
Friday, September 11, 1992 . Skokie Valley Astronomers . Ryerson Brushwood
Mithraism, Astrology, and Precession
Friday, August 9, 1991 . Skokie Valley Astronomers . Ryerson Brushwood
Payback from the Space Program
Friday, February 8, 1991 . Skokie Valley Astronomers . Ryerson Brushwood
Pioneering the High Frontier
Friday, February 9, 1990 . Skokie Valley Astronomers . Ryerson Brushwood
Starships of Tomorrow
Friday, June 9, 1989 . Skokie Valley Astronomers . Ryerson Brushwood
Commercial Space Ventures
Friday, November 11, 1988 . Skokie Valley Astronomers . Ryerson Brushwood