Late rapper Tupac got a weirdly awesome resurrection via a hologram at Coachella this week, putting 3-D projection tech back in the news. But what about the classic sci-fi examples that inspired it?
To remind you of the holograms that lit us up over the years, here are 13 of our favorite examples from classic sci-fi TV and films, ranging from Star Trek to Stargate. (Oddly enough, Star series are big on holograms.)
Check out the gallery below.