Patterns, especially for models made in the 1940s, also survive. This object group attempts to separate models from such documentation, but not to arrange models by type or date. National Museum of ...

So, what's with the biscuits? Oh a triangulator machine! Very cool! Right, there are four different types of triangle. First, here's an isosceles triangle, it has two equal length sides and two ...

Unlike traditional geometric shapes ... which assembles into a Sierpiński triangle pattern. This finding was highly ...