A decade-long experiment at the National Institute of Standards and Technology has produced a fresh value for the universal gravitational constant that conflicts with another leading result, leaving physicists uncertain whether the discrepancy stems from hidden experimental erro…
New Gravity Measurement Deepens 225-Year-Old Physics Puzzle
A decade-long experiment at the National Institute of Standards and Technology has produced a fresh value for the universal gravitational constant that conflicts with another leading result, leaving physicists uncertain whether the discrepancy stems from hidden experimental errors or something more fundamental.
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