the octomatics-project is about a new number system which has a lot of advantages over our old decimal system. the name comes from the mixture of 'octal' and 'mathematics'.
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In a room of just 23 people there’s a 50-50 chance of two people having the same birthday. In a room of 75 there’s a 99.9% chance of two people matching.
by Erik Demaine. Take a piece of paper, fold it into any flat origami, and make one complete straight cut (i.e., a cut along a line). Now unfold the pieces, and see what you get. Are all shapes possible? Refering back to the original sheet of paper, what patterns of cuts can be achieved by this process?