A ferry is a watercraft that carries passengers, and sometimes vehicles and cargo, across a body of water. A small passenger ferry with many stops, such as in Venice, Italy, is sometimes called a water taxi or water bus.
The whole concept of holography, despite its scientific implications, has only been known to the physicist since the underlying mathmatical principles were worked out by Dennis Gabor in 1947 (he later won a Nobel Prize for his work).
