What Are Sundials?

2022-01-05に共有

Join Chelsea in learning about an ancient form of time-telling technology- Sundials! Stick around to learn how to make your very own sundial as well.

Featured Titles:
STEM Lab by Jack Challoner
Technology in the Ancient Americas by Charlie Samuels
Tools of Timekeeping by Linda Formichelli
About Time by Bruce Koschielniak