This is only a prototype (“for now,” Ford said), and it’s not exactly in the automaker’s core area of expertise. Even so, it’s easy to see something like this becoming a real product in the future. Owners routinely have to go out of their way to spare their dogs’ hearing, particularly in countries where fireworks are a regular part of holiday celebrations. With Ford’s invention, you might only have coax your pet into taking a nap while you enjoy the spectacle.