We all experience Gravity every day. But what is it? Why is there a force that is always pulling us toward the ground? See also Artificial Gravity and Fundamental Forces of the Universe.
“The General Theory of Relativity tells us gravity is not a force, gravitational fields don’t exist. Objects tend to move on straight paths through curved spacetime.”
(Another demonstration)
Cavendish Gravity Experiment
Gravity and Time, Space-time
Gravitational Waves
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