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Gravity

Gravity

Century-old photoelectric effect inspires a new search for quantum gravity

18 Oct 2024 Unnati Akhouri 
Conceptual image showing a massive column called a gravity bar floating through space against a background of yellow stardust
Detecting gravity: Researchers have proposed an experiment that could detect the elusive graviton – a quantum of gravity – using quantum sensing. (Courtesy: Pikovski research group)
According to quantum mechanics, our universe is like a Lego set. All matter particles, as well as pa

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Unnati Akhouri is a PhD student contributor to Physics World. Unnati is studying complexity and non-equilibrium dynamics in open quantum systems at Pennsylvania State University. Find out more about our student contributor networks
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