Amazing. They observe fractional frequency changes of around 4.1E-17. Thanks for... | Hacker News

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		dataflow on Nov 6, 2019 \| parent \| context \| favorite \| on: The young centre of the Earth (2016) Amazing. They observe fractional frequency changes of around 4.1E-17. Thanks for sharing the links!

ta1234567890 on Nov 6, 2019 [–]

Couldn't see that number in the info at the link above, is that from the full article?

dataflow on Nov 6, 2019 | [–]

Yeah: "The two measurements consist of approximately 100,000 s of low-height data and 40,000 s of high-height data, and the clocks exhibit (Fig. 3) a fractional frequency change of (4.1 ± 1.6) × 10^−17."

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