Part 2 of Seth’s Wine Cellar, featuring Anne Curtis, senior research scientist, National Physical Laboratory, U.K., on building ever more precise atomic clocks.
(TRT 5:14)
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"Alien satellites might offer a new way to find E.T.," NBC News, March 19, 2018.
"Scientists say space aliens could hack our planet," NBC News, February 21, 2018.
"Phoning Home: Is Intellligent Alien Life Really Out There?," Futurism, January 31, 2018.
"10 top science minds tell what strange new body part they'd like to have: Seth Shostak: Better Color Vision," NBC News, January 28, 2018.
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"UFO believers got one thing right. Here's what they get wrong." NBC News, January 3, 2018.
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{ 1 comment… read it below or add one }
Hi There.
I enjoyed Anne Curtis and her explanation precision timekeeping and GPS systems.
Question: What reference point(s) on the ground does the GPS use to determine which street/highway/interstate that I am on. For example, I frequently pass under an overpass or drive parallel to an interstate. Sometimes my GPS will recalculate and tell me to turn when there is no place to turn. This happens frequently when I am driving parallel and very close to an interstate highway on a service or access road.