Put the flour in a large bowl with a pinch of salt, make a well in the centre, pour in the milk and eggs, then whisk until you have a smooth batter. Add the vegetable oil and whisk again. Take a ...

A tessellation is a repeating pattern of polygons that covers a plane with no gaps or overlaps. What kind of tessellations can you make out of regular polygons? What shapes tessellate? If shapes can ...