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Upside down house open to the public

An installation of an upside down house in Trassenheide Germany was opened to the public two weeks ago and was designed by Polish partners Klaudiusz Golos and Sebastion Mikuciuk for the Edutainment exhibition company.

People who have visited the house reported feeling dizzy and disorientated. An interesting alternative view of every day items and the designers did a great job with the interior. Similar buildings have been designed upside down before but only from the exterior.

More photos

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Impactants structures by Rinus Roelofs

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Holland artist and mathematician Rinus Roelofs constructs charming mathematical structures. He constructs his structures in computer but some of them became sculptures in various Holland towns.
The sculpture above was erected in Borne (Holland) in 2005. It consists of 26 tetrahedrons or 104 triangles. Triangles are just slid together. Construction is stable and need no further fixing.

Bet he created a lot more computer models of three-dimensional structures. One of them (below) shows Hamiltonean path of polyhedron. Hamiltonean path is a sequence of edges that visits all vertexes of a polyhedron exactly once.

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Besides three-dimensional structure Rinus Roelofs created a set of two-dimensional tessellation structures for Escher Centennial Congress in Rome in 1998. They represents regular structures that constitute infinite impossible figures. He insists not to call them tessellations but joins.

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