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Fairy Lights Holographic Display

Agroup of Japanese researchers recreated a miniature "Princess Leia materializing above R2-D2"-like hologram  with femtosecond lasers and clever holographic computation.

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Fairy Lights Holographic Display Video

Though still in the research phase and requiring bulky equipment, the system is working, even if the images produced are still small (no more than 8 cubic millimeters). 

More Info

For more info, access the original paper in  DigitalNature.