Well, Andrew, it's an unlikely partnership. Span, which is a small startup that makes smart home electrical panels, is teaming up with Nvidia and Pulte Group, a major US home builder. Span is now making small fractional data centers, or they call them nodes, that can be put on the side of residential homes.The idea is to take advantage of unused electrical capacity on local grids, which the Span smart panels can find. Now, a network of these nodes talking to each other across the country is about the equiva ...