@ 20 Watts total consumption in ~2 Liter volume of space (this equates to an equivalent computing power of 10-1000 PetaFLOPS* ). By contrast, IBM’s Watson performs its specialized expert task of beating human Jeopardy! competitors at a huge deficiency: some 400 MegaFLOPS /Watt @ 200 KiloWatts consumption in an air-conditioned