I’VE SOLVED a Rubik’s Cube only once, if you consider peeling off the stickers and reattaching them “correctly” a solution. As a 10-year-old, I considered it a stroke of brilliance; my cousin, whose toy I’d ruined, disagreed. I recently had the opportunity to re-establish my genius credentials a bit more ethically with the GoCube—a high-tech update of the notoriously vexing ’70s puzzle. “The [original] Cube is really complex and it’s really frustrating,” warned Udi Dor, one of the inventors of GoCube and CEO of Particula,...

Source: Wall Street Journal March 07, 2019 20:03 UTC