A working 3D holographic display

Since “Help me, Obi Wan, you’re my only hope” hit the big screens in 1977’s “Star Wars,” we’ve been dreaming of a full-3D holographic display. Mastering the technology isn’t easy, though. We’ve seen multiple attempts that approximate a 3D display, like a 2D image visible from all directions, but the tech world wasn’t quite up to the challenge of true 3D yet.More information: http://www.cnet.com/news/graphene-produces-a-working-3d-holographic-display/