Joan Morse

Measurement of Time is One of History's Important Achievements

In the modern world we take for granted the availability of innumerable sources providing accurate measurements of time. Telling current time is so readily available that we have lost sight of the profound importance of knowing time, to the hour and minut... Read >

Simplicity and Elegance - The Equatorial Sundial

As soon as you have acquired the correct strategies to make an equatorial sundial, you have to select the dimension of the dial itself. The round equatorial sundial is straightforward to develop: a significant circle and a pedestal. The dial is evenly div... Read >

A Brief History of Water Clocks

The h2o clock may possibly be the oldest identified timekeeping device in the world, with the apparent exception of this sort of equipment as the sun, and measuring sticks for counting off days. It is hard to say regardless of whether the normal water clo... Read >