• Ruxu Du
  • Longhan Xie
Part of the History of Mechanism and Machine Science book series (HMMS, volume 21)


Keeping time is an essential activity for our daily life; and it is almost as old as human civilization. Throughout history, people have invented many ways to keep time, from analemmatic sundial to atomic clock. The invention of mechanical watch and clock is a milestone of technology advancement.


Technology Advancement Human Civilization Motion Mechanism Speed Change Atomic Clock 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


  1. Wikipedia (2007) Analemmatic sundial. Accessed 12 Dec 2011
  2. Wikipedia (2011a) Obelisk. Accessed 12 Dec 2011
  3. Wikipedia (2011b) Astrolabe. Accessed 12 Dec 2011

Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.The Chinese University of Hong KongHong KongPeople’s Republic of China
  2. 2.South China University of TechnologyGuangzhouPeople’s Republic of China

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