The deal between Apple and Liquidmetal was originally supposed to be a short-term fling. Technically, it expired in February this year, less than two years after the couple first met. There must have been a spark, as the two have just decided to extend their licensing deal through to February 2014. Of course, simply having a deal isn't the same as putting it to use, and there's no certainty that we'll see anything exotic materialize out of it: the last time Liquidmetal's extra-sturdy alloy was used in an Apple product, it wound up in a