Laurence des Cars, saving the Louvre whatever the cost
In order to fund the museum's colossal €800 million renovation plan, director Laurence des Cars has no shortage of ideas: ...
National Council of Teachers of Mathematics20 小时
Tessellation Creator
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 ...