A Russian engineer has created a miniature copy of the Rubik's Cube - only 1 centimeter.
Igor Zur interesting records Guinness Book of Records interesting facts Records and anti-records 27 November 2024We tell you how a simple arithmetic example divided mathematicians into two camps.
Timur Khomichev mathematics a riddle People and Events 27 August 2024The most difficult tasks for developing logic are named - "the problem of recognition", "sum-do-ku" and "Kakuro puzzle".
Igor Zur mathematics a riddle Records and anti-records 14 May 2024Do you still think that computer games are absolute evil?
Elena Shimanovskaya how to become smarter methods People and Events 4 April 2024American speedcuber Max Park has set a new world record for solving a Rubik's cube.
Elena Shimanovskaya record Guinness Book of Records Records and anti-records 23 March 2024