When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The brain twister that is the Rubik's cube has not only befuddled many people that have tried to ...

In 2010, an international team of researchers proved that no matter how scrambled a Rubik’s cube got, it would require no more than 20 moves to solve it. Their proof, however, relied on the equivalent ...

For children who find math difficult or frustrating, or who just like to be challenged, there are many cool math games online to play for free. But are they useful? Research shows that the brain’s ...

Over the years, we have featured a number of Rubik cube-solving machines. However, none have been created using the FAC building system, which was developed back in the early 1950s by Swedish artist ...