Remember those autonomous sea-faring robots we saw back in November? Well, it looks like their self-propelling paddles have slowly waded them into the record books. The bots have traveled a distance of 3,200 nautical miles (2,876 land miles), cutting the previous record of 2,500 adrift -- not bad considering there's no fuel involved. The quartet of data-hunting droids initially set off from San Francisco, before completing the first leg of their journey in Hawaii four months later. The quadrumvirate are now set to split, with t