Hologram breakthrough

From Star Wars to Red Dwarf, moving holograms have long been a staple of science fiction.

Now scientists have invented a gadget that allows viewers to watch three dimensional holographic videoes without the need for special glasses.

The breakthrough could revolutionise television, movies and computer games - and see the introduction of 3D advertising billboards on street corners.

A refreshable holographic image of an F-4 Phantom Jet created on a photorefractive polymer that can be viewed without 3D glasses.

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