Keeping Time.

How do we measure the passage of time? Discover that practical concerns have driven the search for more and more accurate clocks. In the 18th century, the problem of determining longitude was solved with a timepiece of unprecedented accuracy. Today's GPS navigation units rely on clocks accurate...

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Bibliographic Details
Corporate Author: Kanopy (Firm)
Format: Video
Language:Undetermined
Language Notes:In English
Published: [San Francisco, California, USA] : Kanopy Streaming, 2015.
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Online Access:Connect to this streaming video
Description
Summary:How do we measure the passage of time? Discover that practical concerns have driven the search for more and more accurate clocks. In the 18th century, the problem of determining longitude was solved with a timepiece of unprecedented accuracy. Today's GPS navigation units rely on clocks accurate to a billionth of a second.
Item Description:Title from title frames.
Electronic resource.
Physical Description:1 online resource (streaming video file)
Playing Time:Du:ra:ti
Format:Mode of access: World Wide Web.