Emmy Noether showed that fundamental physical laws are just a consequence of simple symmetries. A century later, her insights ...
In the Korean alphabet, the circle is represented by "O," the triangle is represented by "J," and the square is represented by "M." These alphabets form the initials OJM, a Korean game called Ojingeo ...
A pretty theorem in the latter is that all equilateral triangles in a given plane project ... No reference is made to the Tucker circles, or to Kiepert's hyperbola; even the Brocard circle is ...
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