• From The Looks Of It, Some A-Holes Think Coronavirus Is Gone

    1 month ago - By Scary Mommy

    My science-loving teenage son recently sent me a video about the science-y , mathematical magic of circles. I learned about roulettes, trochoids, and brachistochrones. Even though I didn't completely understand the concepts from the video and certainly can't perform the equations necessary to grasp the underlying math, I acknowledge that these mathy concepts exist and play out in both theory and practice.
    It doesn't matter that it seems impossible to me that a rolling ball would travel quicker from point A to point B if the surface the ball is traveling on is slightly curved, rather than...
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