Nth root Nth root In mathematics, an "n"th root of a number "x", where "n" is usually assumed to be a positive integer, is a number "r" which, when raised to the power "n" yields "x": where "n" is the "degree" of the root. A root of degree 2 is called a "square root" and a root of degree 3, a "cube root". Roots of higher degree are referred by using ordinal numbers, as in "fourth root", "twentieth root", etc. For example: Any non-zero number, considered as complex number, has "n" different "complex roots of degree "n"" ("n"th roots), including those with
The Cube (restaurant) The Cube (restaurant) The Cube is a pop-up restaurant created by Electrolux. Since 2011, two versions of the restaurant have been located in different cities in Europe, where a number of guest celebrity chefs have brought teams and dishes from their own restaurants to cook in the spaces. The Cube was designed by Park Associati design studio in Milan, and the construction covers a space of 140 m. It has an outside balcony allowing for a 360-degree field of vision. The exterior shell is made of aluminium and has hexagonal shapes cut into the shell by laser in order to