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It’s been 43 years since audiences heard those famous words “Help me, Obi-Wan Kenobi. You’re my only hope” from a hologram projection in the first Star Wars film, yet true holographic movies, like the one R2-D2 projected of Princess Leia, are still the stuff of science fiction. “Holographic” performances from Tupac and Michael Jackson weren’t exactly holograms, but rather a more advanced version of an old trick called a Pepper’s ghost.
The most exposure most people get to holographics is with “surface relief holograms,” which can be found in twinkly wrapping paper or security stamps on credit cards and passports.
However, a team from the Tokyo University of Agriculture…READ MORE