Laser-Engraved Sundials

Sundials come in a variety of styles. In this video, I discuss some of my attempts to make various kinds of DIY sundials with a laser engraver. Printable versions of my paper sundials can be found on my website: https://www.astronomyforthinkers.com/... 00:00 Traditional Garden Variety Sundials 01:29 Equatorial Sundials 07:25 Ancient Greek Sundials