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Against the Law of Gravity
When an apple fell on Newton’s head, he formulated the law of gravity. According to this law, every object is attracted towards the centre of the earth with a force called the gravitational force. But if Newton were to see this ring suspended in mid-air without any support, one wonders what he would have done. The things you need: A ring Cotton thread Matchbox Salt Step 1: Soak the thread in salt water for sometime....
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