Arstechnica's great little article on the technology behind Tupac's Cochella performance.
http://arstechnica.com/science/news/2012/04/tupac-hologram-merely-pretty-cool-optical-illusion.ars
Embedded Link
Tupac "hologram" merely pretty cool optical illusion
Rappers Dr. Dre and Snoop Dogg performed with a "hologram" of Tupac at Coachella this weekend, only the hologram was actually an optical illusion called Pepper's Ghost.
Google+: View post on Google+