Cut those two, and the four blocks sport 24 sides. The result: same volume of ice, but much more surface area. With more "faces" exposed to air or liquid, it's easier for heat to diffuse into the ice.

In MMO shooter The Cube, which was announced today at Summer Game Fest, the titular Cube you fight across reminds me a bit of Battleworld—except it's like a giant Rubik's Cube, so its edges and ...