hologram

Ronnie James Dio hologram showed up at Wacken festival
The massive German metal festival Wacken Open Air went down over the weekend, and in addition to performances by the likes of Iron Maiden, Testament, Entombed A.D., Metal Church, Triptykon and many more, there was one particularly notable happening involving the late Ronnie James Dio...
Hologram Tupac is not a hologram
"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 theatre trick...