Weighing just 0.3 grams (about 0.01 ounces), the puzzle is about a 1,000th ... Rubik’s Cube in 3.13 seconds at a competition in Long Beach, California last year, followed by 10-year-old Wang ...

LONG BEACH, Calif. – If you’ve ever tried solving a Rubik’s Cube, it’s likely taken you a while – perhaps a few hours, a few days, a few weeks, or even longer. But how about solving a ...