A groundbreaking advance in quantum technology has opened a new window into the world beneath our feet.
Researchers at Birmingham university, working with industrial partners, have demonstrated what they say is the world’s first quantum gravity sensor that works reliably in the real world, detecting subterranean structures outside tightly controlled lab conditions.
Their instrument, described in the journal Nature, “wins an international race to take the technology outside”, the university said. It found a buried tunnel, carrying utility pipes about a metre under a road, by detecting minute variations in gravity associated with the duct.
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