Two legs bad, polymer tentacles on a carbon steel chassis good. Obviously.

The guardians Bad Science section is a real joy, one I've got to check more regularly. The current story focuses on perennial favourite Kevin Warwick, the Derren Brown of Artifical Intelligence research. Only Warwick doesn't follow his pronouncements of the preposterous with a half-hearted stab at demonstrating them. Technology is the future so in the future we will all be technology. QED. So read, but make sure to shield your monitor from involuntary snort damage.