Bill Nye, the Science Guy: Old School Sundials
1m 7s
math
measurement
telling time

Bill introduces the ancestor of the modern clock: the sundial. He illustrates how it uses shadows to indicate the time of day and explains how it influenced the clock. A time lapse then shows how the sundial and clock are in sync as the hours go by during the day.

0

Comments


Please sign in to write a comment.

Related Clips


math
measurement
telling time
math
measurement
estimating length
math
measurement
elapsed time
math
measurement
standard measurement
the imperial system
inch
math
measurement
standard measurement
the metric system
meter