Likewise, the maze of plumbing and sealed containers of special fluids in the Me-Frigerator were simple enough that they would do their basic job without a brain. That had to be the case, because ol’ Albert had patented the thing before thinking machines existed. The trick was to work a bypass, just as Rufus had with the soldering iron. He might have to turn it on and off by hand. But since he was a pretty acute judge of when he was and wasn’t hot, that should be easy.