Researchers in the US have made Star Wars style holograms, they say. The researchers used laser beams to trap and illuminate a tiny particle in the air and moved the beam, dragging the tiny particle with it, to draw an image in the air.
source https://gadgets.ndtv.com/science/news/us-researchers-are-creating-real-life-images-using-laser-beams-2448295#rss-gadgets-all
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