, Volume 16, Issue 1, pp 29-37
Date: 28 Jan 2011

Sundials: Ancestors of our clocks

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This article deals with the timekeepers of the past, the sundials. Apart from discussing the structure of a few common sundials, we point out the reasons for the variation between sundial time and the time shown by mechanical timekeepers.

P D Anoop is a faculty in the Department of Physics, Amrithapuri Campus, Amritha Vishwa Vidyapeetham. Currently, he is a part-time PhD research scholar in the Department of Physics, CUSAT. His areas of research include Bose-Einstein condensation and astrophysics.