Imagine you are so rich you want your own underwater pleasure vehicle, and you don't mind dropping what is likely to be a boatload of cash get it, today may be your lucky, lucky day. A company called Raonhaje has developed the EGO mini-submarine which floats atop the water, but which boasts a submersible capsule for passengers to check out what's going on beneath the surface. Sounds intriguing, right? Sure does! The relatively eco-friendly EV vehicle cruises at just less than five knots for four hours on a full charge. There are no details on price