Defying Gravity: DIY Physics Experiment

Staring at a list of physics equations can be daunting. These mathematical expressions, though, are meant to model the world that we see around us. Luckily there are several do-it-yourself demos that can illustrate concepts such as circular motion. For example, swinging a bucket full of water over your head seems like a good way to get wet, right? Intuitively,
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