The clock we live on
by
Review: A fascinating and informative history of how we measure time. In typically clear and insightful prose, Dr. Asimov recounts the origins of our 24-hour day and Gregorian calendar, and shows how both are firmly rooted in the motions of …
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the long version
Review: A fascinating and informative history of how we measure time. In typically clear and insightful prose, Dr. Asimov recounts the origins of our 24-hour day and Gregorian calendar, and shows how both are firmly rooted in the motions of the Earth in the heavens.
Margaret's verdict
"Review: A fascinating and informative history of how we measure time. In typically clear and insightful prose, Dr. Asimov recounts the origins of our 24-hour day and Gregorian calendar, and …"
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