An example of a hyperboloid from architecture.
There are a lot of buildings that use a hyperboloid: The very first constructions were created under the guidance of the Russian engineer V.G. Shukhov, such as the famous Shukhov Tower in Moscow, which was constructed in 1922.
With modern buildings, we note the Canton Tower in Guangzhou (China), which is 600 meters tall and was completed in 2010.
Also, we found a very beautiful Tornado Tower in Doha (Qatar). The 195-meter construction, erected in 2008, has its own indescribable style..
There are five regular polyhedra: a tetrahedron, an octahedron, a cube (also known as a...