/u/sahba's posts in /r/askscience
Is there an optimum trajectory to use when driving through a curve in terms of the speed/safety relation? If yes, why is that the optimum solution?
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When I turn on the kettle, after a few seconds I start to hear faint boiling sounds. But every now and then, after the boiling sounds start, they fade away before becoming louder again and ultimately boiling completely. Why do the sounds fade away momentarily?
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