The Rubik’s Cube has been reinvented with more games and many more screens for much more money. What has long been cherished as a simple toy yet complex puzzle requiring nothing but a healthy amount ...

Around the time I turned 30, I started experiencing something I’d never given much thought to: neck pain. Despite regular exercise and being otherwise generally healthy, I’d occasionally get what my ...

Mathematicians and hobbyists have had a half-century of fun exploring the 43 billion billion permutations of Erno Rubik’s creation. “My method was understanding,” Erno Rubik said of the iconic twisty ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

Getting a good night’s sleep has always been a bit of a challenge for me. I frequently move around throughout the night, trying to achieve the most comfortable position while trying not to overheat, ...

*This file creates a Cube class that is a subclass of the ThreeDimensionalShape class. The Cube class creates a ThreeDimensionalShape in its constructor and has two variables for the edge length and ...