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Applied physics

Gravity measurements on chips

Gravimeters have applications ranging from oil exploration to the detection of underground tunnels, but size and lack of portability have limited their field use. A device the size of a postage stamp promises fresh opportunities. See Letter p.614

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Figure 1: The beginning of gravimetry.



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Correspondence to Hazel Rymer.

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Rymer, H. Gravity measurements on chips. Nature 531, 585–586 (2016).

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