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Latest Gravity Probe A Stories

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2008-04-25 01:15:00

For centuries, timepieces have been used to aid navigation. However, the latest hydrogen maser atomic clock is a world away from any used ever before.


Word of the Day
tourtiere
  • a meat pie that is usually eaten at Christmas in Quebec
The word 'tourtiere' comes from the French tourte, or passenger pigeon.
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