The Comback Cube.

• Position: Games - Rubik's Cube - Brief article

In 1974, Hungarian architect Erno Rubik invented a 3-D puzzle that would become an international sensation, selling more than 350 million units in the early 1980s. Though the Rubik's Cube later fell into relative obscurity, it's back. Teen and 20-something puzzlers have been learning about the cube from the Web, their parents' nostalgia for the toy, or the 2006 Will Smith movie, The Pursuit of Happyness. The World Cube Association has even resurrected its annual competitions, attracting hundreds of players. Representing the U.S. at this summer's world championships in Las Vegas, Riley Woo, 15, solved the cube in 48 seconds while blindfolded. Deven...