Time's Pendulum: From Sundials to Atomic Clocks, the Fascinating History of Tfrom Sundials to Atomic Clocks, the Fascinating History of Wilton Barnhardt But nothing is ever simple

But nothing is ever simple for Dorothy

ISBN13: 9780985280734

* Overcome obstacles that stand in the way of being more organized

ISBN13: 9780520299146

Thomas James

Time's Pendulum: From Sundials to Atomic Clocks, the Fascinating History of Tfrom Sundials to Atomic Clocks, the Fascinating History of Wilton Barnhardt But nothing is ever simpleA perfect balance of science, history, and sociology, Time's Pendulum traces the important developments in humankind's epic quest to measure the hours, days, and years with accuracy, and how our concept of time has changed with each new technological breakthrough. Written in an easy to follow chronological format and illustrated with entertaining anecdotes, author Jo Ellen Barnett's history of timekeeping covers everything from the earliest sundials