Five things
1. In 1974, 30-year-old Ern Rubik was a professor of architecture in Hungary when he had the idea of constructing a handheld puzzle game based on geometry that could help students…
1. In 1974, 30-year-old Ern Rubik was a professor of architecture in Hungary when he had the idea of constructing a handheld puzzle game based on geometry that could help students…