I need to get some T-shirts or custom logo underwear made up, so that dude can be a proper brand ambassador. Aslo, great work, always had great experiences with the guys @5col.
One of my coworkers is 30 years old and had never burned anything with a magnifying glass until I showed him a couple months ago. I didn't know you could grow up without doing that.
All about teaching solar based fire methods here in the southwest. Definitely a good way to go especially this time of year. Good stuff!