Alongside laser blasters, flying cars, cyborgs, and freakishly intelligent A.I., the concept of the hologram sits among the list of things that represent the ultimate archetypes of popular sci-fi.
Ever since R2D2 beamed out a looping hologram of Princess Leia asking Obi-wan Kenobi for help in A New Hope, many people have fantasized about what it would be like to have real and convincing – not to mention interactive – holograms in the real world.
Would it be just like in sci-fi? Or…