One of [Bob’s] most treasured possessions is a Heathkit alarm clock he put together as a kid. Over the years he’s noticed a few problems with his clock. There isn’t a battery backup, so it resets when ...
There is some concern that if there are delays in launching replacement GPS satellites that there could a degradation in the availability and accuracy of GPS (global positioning). There are currently ...
No audio available for this content. Personnel with the U.S. Naval Observatory-Detachment Colorado and 2nd Space Operations Squadron move the rubidium fountain clock into its new home Tuesday at ...
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