"Measuring the constant that determines the strength of gravitational force is tricky, even for experienced scientists. Previous measurements of G look like a scatter plot when they're put together on a chart, indicating a large degree of uncertainty."
"According to Isaac Newton's law of universal gravitation, the gravitational force between two objects is the gravitational constant, G, multiplied by the product of the two masses divided by the square of the distance between them."
Stephan Schlamminger presented a new measurement of the gravitational constant, G, after a decade of meticulous research. G is crucial in determining gravitational force, but measuring it accurately is challenging due to its weak nature. Previous measurements of G have shown significant variability, leading to uncertainty in its value. In contrast, the acceleration due to gravity at Earth's surface, known as little g, has been measured with high precision. Schlamminger's work adds another data point in the ongoing effort to refine the value of G.
Read at www.scientificamerican.com
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