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Gravity

Gravity

Gravitational-constant mystery deepens with new precision measurements

30 Aug 2018 Hamish Johnston
Mutual attraction
Mutual attraction: why is it so difficult to pin down the gravitational constant? (Courtesy: iStock/FrankRamspott)
Two extremely precise measurements of the gravitational constant G have yielded significantly differ

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Hamish Johnston is an online editor of Physics World
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