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Current Event December 4, 2014

Keeping Time

We use clocks throughout the day to mark the passage of time and organize our days, but what is time? For scientists who study time this is a surprisingly difficult question and it is becoming more complicated as even more accurate clocks are developed. Listen to learn more about a clock that is so accurate the passage of time varies based on where the clock is located.

Engineering Technology

Story Length: 5:38

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AIR DATE: 11/03/2014

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