STEM
Environmental and Science Education
Miscellaneous
Edward Hessler
There are three Internet sites that I seldom miss checking. Astronomy Picture of the Day (APOD) is one.
On August 12, 2017, APOD featured a short video of a human sundial, well almost completely human.
The Liverpool Museum has a nice step-by-step link on how sundials work. You can check it out here.
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