DARPA says that three teams in its ACES program have made progress in developing highly accurate chip-sized atomic clocks. (Edric Thompson/ U.S. Army) Extremely small atomic clocks could hold the key ...
Modern navigation systems rely heavily on satellite timing, and that dependence has become a growing vulnerability. GPS ...
From freeze-dried strawberries to memory foam and scratch-resistant glasses, space exploration is the force behind a myriad of life-changing innovations. Now it’s time for a terrestrial innovation to ...
No audio available for this content. Image: GPS.gov Clocks are at the heart of GPS. Advances in space-qualified atomic clocks that kept time to within 10 nanoseconds over a day were a key development ...
Spacecrafts that travel farther than the Earth's moon primarily rely on communications with its appropriate ground stations to know where they are located and where they will go next. To enhance the ...
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