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Researchers on Earth have invented something far flashier: a Star Wars–like 3D display that simultaneously projects video, sound, and even the sensation of touch. The new displays can’t create holograms as complex as Princess Leia’s famous distress call. But with further improvements, they could transform virtual reality, providing users a multisensory experience without headsets or other cumbersome gear.
Future versions, he says, could give doctors 3D views of tumors inside the body or provide soldiers with an accurate depiction of what lies ahead. “It has the potential to revolutionize the display ecosystem,”
Once upon a time, I, Zhuangzi, dreamt I was a butterfly, fluttering hither and thither, to all intents and purposes a butterfly. I was conscious only of my happiness as a butterfly, unaware that I was Zhuangzi. Soon I awakened, and there I was, veritably myself again. Now I do not know whether I was then a man dreaming I was a butterfly, or whether I am now a butterfly, dreaming I am a man. Between a man and a butterfly there is necessarily a distinction. The transition is called the transformation of material things.