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ERT: 1 min | April 24, 2012

How Does The Coachella Tupac 'Hologram' Work? [INFOGRAPHIC]

The "resurrection" of rapper Tupac Shakur wowed audiences at the Coachella music festival. But the illusion isn't a hologram, as some have reported -- it's actually a 2-dimensional video cleverly projected using technology based on an old theater trick.