The room is dark. There's a quiet whirr of fans. Nature sounds play from unseen speakers. One wall is decorated with what I assume is artificial greenery. In the center, a head. Blue and purple and ...
The dream of holographic video has long been a staple of science fiction—the image of Princess Leia beamed from R2-D2 in Star Wars, the holodeck in Star Trek: The Next Generation, and the shark that ...
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