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Ultracold matter

Ultracold matter

Interfering atoms measure gravity’s curvature

13 Jan 2015 Hamish Johnston
Gravity anomaly map of Australia
Heavy duty: Ultracold atoms could soon be making gravity anomaly maps like this one of Australia. (Courtesy: Australia Geoscience)
The curvature of a gravitational field across a distance of about 1 m has been measured for the fir

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Hamish Johnston is an online editor of Physics World
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