Did you know that no scientist can really explain what gravity is? We can feel it, measure it, mathematically show how it functions, and use it in a myriad of ways, but what is this that we call gravity? Gravity is the weakest of all elemental forces (1038 times weaker than the force that holds atoms together), yet it holds planets in their orbits, us here on earth, and can bend the path of lig...
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