We're still not sure how strong gravity is - but a new experiment with lasers might help 

Researchers have redetermined the gravitational constant G, which determines the strength of gravity, using a new measurement technique. Image: Unsplash/Sander Sammy

Peter Ruegg

Writer, ETH Zurich


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The gravitational constant G determines the strength of gravity—the force that makes things fall to the ground. Image: UNSPLASH/Philipp Berg Avatar of user Philipp Berg Philipp Berg @berg_photo

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