PhD student Timo Bingmann has created an amazing video showing sorting algorithms in action. And it's surprisingly awesome!

If you’re under the impression that something as simple as sorting numbers is dull, think again. This visualization lets you see and hear fifteen different algorithms sift their way through a ...

As [Ken] explains, the cards can be run through the machine multiple times if they need to be sorted into more groups than the machine can manage during one run, using a radix sort algorithm.