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Holograms have been a staple of science fiction for centuries, but now they may be on the verge of reality thanks to PORTL, a startup based in Los Angeles.

How it works: The startup has designed large, vending-machine-sized booths that they call “PORTL Epic” to generate real-time, life-size holograms. 100 of these booths are currently located all around the world from Abu Dhabi to Miami.