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The game of space was and still is a crucial aspect of visual arts. The aim of this study is to examine how the arrangement of hues, rhythms and angles of various polygons can create an impression of depth and movement on a flat surface. The so-called Penrose tiling and Ulam's spiral are mathematical models that have been applied for the painting experiment. There is a vast amount of evidence gathered over the ages that shows art is strictly interrelated with science. It refers both to music, literature, architect...

Based on the researches focused on the historic trusses of the sacral buildings in Slovakia, we analysed these trusses in order to uncover their geometric concepts and proportional relations. Several trusses in Bohemia and Moravia were also analysed. The proportional relation of a truss to a building was also taken into account in some cases. The data on the principles used in historic trusses of the sacral buildings, supported with the period literature, were applied to the historic truss of the Gothic Roman-Cath...

Background: Geometry problems requiring auxiliary constructions are generally challenging for students, and they are traditionally included in Mathematics Olympiad tasks and examinations. Most teachers recommend that students remember basic auxiliary constructions, such as doubling the median of a triangle, inserting an additional circle, constructing the point of intersection of lines on which the segments lie, et?. These recommendations are usually insufficient for successful problem solving. Now students have a...

Alberto Burri is an Italian artist who worked in the post-war period; his works belong to the current called "arte informale", that is, contrary to any form. His artistic research ranges from painting to sculpture, where he always focused on the expressiveness of materials, while making his works with common materials. His career initially developed as works in separate series, where each series used a different material. This is precisely the great strength of Burri's work, as each material becomes itself the mai...