Australasian Science November/December 1999, pages 26-28 2000 and all that (by David Bromage) The history of our calendar.
New Scientist 18 May 2005, page 25 The most accurate clock of all time (by Paul Marks) If time waits for no man, then neither does human ingenuity in measuring its passing.
22 November 2003, page 30 Time warp (by Stephen Battersby) Describes the technical problems caused by leap seconds.
13 July 2001 World's most accurate clock created (by Eugenie Samuel) Reports on a more accurate optical atomic clock used for satellite navigation.
19 December 1998, pages 74-75 The magic clock (by Sean Roberts) Describes a large clockwork device that will keep time for the next 10,000 years.
Scientific American April 2008, pages 52-59 Rulers of light (by Steven Cundiff, Jun Ye and John Hall) Explores a new kind of laser light and its applications, including a more precise atomic clock.
5 March 2007 Ask an expert Answers the question, ‘Why is a minute divided into 60 seconds, an hour into 60 minutes, yet there are only 24 hours in a day?’
14 November 2005 Wait a second (by Wendy Grossman) Describes the adjustment to time to synchronise the Earth's rotation with calendar.
April 1998, pages 89 and 91 The timekeeping ELF (by Philip Morrison) Discusses precision time-keeping.
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