This intrigued me and then I found this on Wikipedia.pic.twitter.com/MI6wLkxyzw
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But if you place it at the bottom then it requires zero time.
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Tautochrone and Brachistochrone problem share the same solution. Both "fastest" curve & same amount of time no matter the start point. Why?
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La cicloideeeeeeee.. Es lo más la cicloide.
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Part of the trochoid family... was it cordial with Gilles de Roberval?
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