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Sweet, sweet physics


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Well have I got a treat for you, especially if you're the type of person who tinkers, likes science and or engineering...oh and beyblades:



Also this:


The above is a brachistachrone, not only do the objects all arrive at the same time regardless of their starting position this route is  the quickest from A to B, a straight line although the shortest distance will not accelerate enough to arrive first, the opposite side of the scale is a curve that drops too steeply at the start to gain acceleration is not a short enough distance to arrive first. This curve was derived from a point on the edge of a circle rolling along a base....it's kinda hard to describe but easy to see


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