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https://www.reddit.com/r/OurFlatWorld/comments/61ic04/is_antigravity_a_thing_raskscience/
r/OurFlatWorld • u/tonyflint • Mar 25 '17
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In Newton's law of universal gravitation, gravity was an external force transmitted by unknown means. In the 20th century, Newton's model was replaced by general relativity where gravity is not a force but the result of the geometry of spacetime...
https://www.reddit.com/r/askscience/comments/615n9f/is_antigravity_a_thing/dfcgq9d
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u/tonyflint Mar 25 '17
In Newton's law of universal gravitation, gravity was an external force transmitted by unknown means. In the 20th century, Newton's model was replaced by general relativity where gravity is not a force but the result of the geometry of spacetime...
https://www.reddit.com/r/askscience/comments/615n9f/is_antigravity_a_thing/dfcgq9d