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http://www.leapsecond.com/ 
TIL: The HP/Agilent/Symmetricom 5071A is one of the only clocks in the world that is designed to handle a scheduled leap second and display it at the correct instant.
http://www.leapsecond.com/notes/leap-watch.htm
http://www.leapsecond.com/hpclocks/
Questo sito è intereffantiffimo!
TIL: The HP/Agilent/Symmetricom 5071A is one of the only clocks in the world that is designed to handle a scheduled leap second and display it at the correct instant.
http://www.leapsecond.com/notes/leap-watch.htm
http://www.leapsecond.com/hpclocks/
Questo sito è intereffantiffimo!
Young professional woman and busy mom.