A quick introduction to one of the world’s most fascinating puzzle toys.
Six colours. Nine squares to a side, six sides to a cube. 43 quintillion possibilities. Invented in 1974 by Erno Rubik, the Rubik’s Cube is fascinating and frustrating. The concept is simple: slide each row of cubes up, down, right, left and sidewise until the colours on each side match.
World champions can solve the cube in just over four seconds. Experts can solve it using their feet or wearing blindfolds. The Rubik’s cube might be a lengthy puzzle, but it can cracked by anyone who puts their mind to it.
How Difficult is the Cube?
If you made a computer check 1,000 combinations every second, it could take up to 1.36 billion years to solve the Rubik’s Cube. Definitely not a puzzle you want to attempt by trial and error! There are dozens of techniques for solving the cube, so it’s important to try a few and find the one that works for you. Some people memorize move sets. Others focus on the logic behind switching and replacing individual cubes. You can use mnemonics, stories, visual tricks.
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Links from the bottom of all the October 2018 articles, collected in one place for you to print, share, or bookmark.
Interesting stories about computer science, software programming, and technology for October 2018.