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
Gyula Juhász (sculptor) moderate trend of the Hungarian Art Nouveau. Juhász died on January 6, 1913 in Újpest, a district of Budapest. Gyula Juhász (sculptor) Juhász Gyula (April 13, 1876 – January 6, 1913) was a Hungarian sculptor and medallist. Juhász was born in Eger, in northern Hungary. He was studying at Iparrajziskola (Technical School of Design) from 1891 to 1893, then started to work in a workshop as architectural sculpture assistant. In the second half of the decade he was visiting engraving courses by Ferenc Vasadi. Due to his talent he shortly attracted the attention of Ede Telcs, renown medalist of the