Oh, now I want this [View All]

[pokerfan]

Forget the ball of money. Now I want this cabinet which presents the solution to a rather difficult dissection problem. This is the simplest perfect squared square. The entire area is a square and it is divided into squares of distinct integer sizes.

There are twenty one different squares, with the sizes indicated below, covering a 112 by 112 area. Of course, a square can be divided into fewer squares, e.g. four quarters, but then sizes repeat. It has been proven that a square can not be tiled with fewer than twenty one distinct squares.







http://blog.makezine.com/archive/2011/06/math-monday-the-squared-square.html