Algodoo

Whats the shortest distance between two points? its obvious, A line. Buut, What the fastest? well, on a globe, it is a brachistochrone. a mathmatical curve that connects two points.

Here is an example of one.
Both balls weigh the same, have equivilent friction level, same material, same size, same everything. they are identical! yet one arrives before the other!


[have fun]