Imagine if the great Captain Nemo had a computer onboard his submarine The Nautilus. It’s a tantalizing idea and not a million miles from the incredible imagination of early sci-fi writer Jules Verne.

It doesn’t require the talent of Steve Jobs to read the zeitgeist and realize that retro is “in” right now. That’s certainly the trend driving German designer Nanoxia’s new Ncore Retro Keyboard, which ...