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# This Japanese Educational Animation Becomes A Journey Into Madness

Educational videos are an excellent tool for teaching. You can both visually and audibly stimulate your audience, while offering insight and knowledge. A new educational animated video from the Japanese National Museum of Emerging Science and Innovation does just that by covering the topic of exponential complexity, but takes a dark twist.

In the video, a young woman offers two children a problem: How many paths are there between two points on a square, where point S is on one corner and point G is on the opposite corner, and you can only travel along the lines of the square? The answer is simple: 2.

The young woman then divides the square into 2x2 and asks the same question, adding the caveat that while you can travel along the lines of the square any way you want, you cannot travel the same line twice. By counting each path, she shows that there are 12 ways to get from point S to point G.