A Swiss experiment using vibrations and vacuum chambers could help firm up the gravitational constant.
Gravity is everywhere. It’s the force that anchors the Earth in its orbit around the sun, stops trees from growing up forever, and keeps our breakfast cereal in its bowl. It’s alsoBut just how strong of a force is gravity? We know that gravity acts the same whether an object is as light as a feather or as heavy as a stone,, but otherwise, scientists don’t have a precise answer to that question, despite studying gravity in the cosmos for centuries.
, a physicist in the Physical Measurement Laboratory at the National Institute of Standards and Technology. “Humans can do experiments to find out their value, but we will never know the true value. We can get closer and closer to the truth, the experiments can get better and better, and we approximate the true value in the end.
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