Train Your Brain Using God’s Number
An international group of researchers used Google’s computer time lent to trace every possible set of moves to solve a Rubik’s Cube™, and proved that solution is possible within twenty steps or less.
The research aimed to find out the minimal number of step required to bring a scrambled Rubik’s Cube™ back to its original position. “Each person trying to solve a Rubik’s Cube™ uses some kind of algorithm, which is a sequence of moves to solve the riddle”, said the study group composed of mathematicians, engineers and programmers.
“There are various kinds of algorithms, with different levels of complexity and numbers of moves to solve a Rubik’s Cube™, but the average algorithm the human brain can remember involves more than 40 steps. Solving this type of brain teasers require focus, memory and concept formation skills.
The algorithm which uses the shortest sequence is known as God’s Algorithm, because it offers the most efficient solution for the cube. The number of steps required for this algorithm is called “God’s Number” and we have found that number is twenty.”
Photo by: graur razvan ionut
