…A most curious country it was…. The ground was divided up into squares…. ‘I declare it’s marked out just like a large chessboard!’ Alice said at last.
Through the Looking-Glass
Chapter 18 dealt with the production of holograms from real (and possibly virtual) objects. These are all two-step processes, involving the production first of a master hologram and then a transfer hologram, usually image plane and viewable by white light. The involvement of computer programming to correct any geometrical imperfections in the master hologram was discussed; and you might wonder what part computers might eventually play in the whole holographic process. Original sets of images are now regularly stored ...