Gear Cube Cube. Three 3x3 cubes are very similar to the original: the Gear Cube Extreme, the Gear Cube Ultimate, and the Even Less Gears Cube. Gear Cube Extreme: Unlike the original Gear Cube with 12 total gears, the Gear Cube Extreme (also known as the Anisotropic Cube) has only eight gears. The top and bottom rows remain gear cogs, whereas the middle layer edge cogs have been removed. Taking away the middle layer cogs and replacing them with standard edges allows for different movement between rows. Due to the added straight edges, the cube can now make 90° turns on two
Bateson's cube Bateson's cube Bateson's cube is a model of the cost–benefit analysis for animal research developed by Professor Patrick Bateson, president of the Zoological Society of London. Bateson's cube evaluates proposed research through three criteria: Bateson suggested that research that does not meet these requirements should not be approved or performed, in accordance with the Animals (Scientific Procedures) Act 1986. It is not intended as a formal model for optimal trade-offs, but rather a tool for making judicial decisions, since the three axes are not in a common currency. The third criterion also does not necessarily have to be medical benefit,