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3D displays on smartphones could soon become a reality

3D displays on smartphones could soon become a reality

Every Star Wars fan understands the importance of a hologram – those messages could mean life or death in a galaxy far, far away.

For years, optical engineers have been trying to create freestanding holograms – three-dimensional images created with lasers – and have achieved some success, like the virtual image of Tupac Shakur at Coachella 2012 or, more recently, the hologram of French presidential candidate Jean-Luc Melenchon.

But these aren’t true holograms, they’re near approximations.

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