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A pioneering technique using subatomic particles known as neutrons could give microscopic hints of extra dimensions or even dark matter, researchers say.

The idea rests on probing any minuscule variations in gravity as it acts on slow-moving neutrons in a tiny cavity.

A Nature Physics report outlines how neutrons were made to hop from one gravitational quantum state to another.

These quantum jumps can test Newton's theory of gravity - and any variations from it - with unprecedented precision.

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Category: Science