Nintendo tumbler puzzle Nintendo tumbler puzzle The Nintendo tumbler puzzle, also known as the "Ten Billion Barrel" in English and originally in Japanese, is a mathematical puzzle in the style of Rubik's Cube. It was invented by Gunpei Yokoi of Nintendo in 1980 and was covered by (until the patent expired in March 1995 due to non-payment of a maintenance fee). It consists of a "cylinder" of transparent plastic divided into six levels, together with a black plastic "frame". The frame consists of upper and lower discs that are joined together through the middle of the cylinder. The top and bottom levels of
Paris architecture of the Belle Époque well as professor of medieval architecture at the École des Beaux-Arts. In his project for the new church, he combined the gothic with the Art Nouveau. He commissioned some of the major artists of the Art Nouveau, including ceramics artist Alexandre Bigot, ironwork craftsman Émile Robert, and sculptor Pierre Roche. It was the first church in Paris to be built of reinforced concrete, and Some features, particularly the facades of the sides, were highly original. The result was a curious combination of the gothic and modernism. The leading figure of modernist architecture in the 1920s, Corbusier, was particularly outraged by