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Discussion Starter #1
I was in DC recently and saw this banner for an upcoming exhibit at the Air & Space Museum:

IMG_1771.jpg

The text on the lower, right-hand sign says,

"If you want to know where you are, you need an accurate clock.

This surprising connection between time and place has been crucial for centuries. About 250 years ago, sailors first used accurate clocks to navigate the oceans. Today we locate ourselves on the globe with synchronized clocks in orbiting satellites. Among the many challenges facing navigation from then to now, one stands out: keeping accurate time.

This gallery will explore how revolutions in timekeeping over three centuries have influenced how we find our way."

Opening in March 2013.
 

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That expo would be interesting to see!
 

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Discussion Starter #4
Here's the official press release from way back in 2009:

Press Release: New Time and Navigation Exhibit Is in the Works at the Smithsonian

It's going to be a permanent part of the museum, so I guess that's why it's taking so long. Sounds like it'll be pretty cool.

"Highlights of the exhibit will include a walk-through 19th-century sailing vessel, a submarine navigation center, navigation satellites, aircraft and a robotic vehicle. This exhibit will span three centuries and explore efforts to travel beyond Earth and through the solar system. It will draw parallels between the basic human desire to experience new environments and societal efforts to discover distant worlds."
 
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