Researchers have used liquid crystals to create a flat magic window -- a transparent device that produces a hidden image when light shines on it. The process for creating transparent liquid crystal ...
When Rachel Díaz of Culver City, California, “magically” refilled a soda can for her son, the nine-year-old’s first words were “Cool!” And then: “How’d you do that?” Science-based magic tricks stand ...
WASHINGTON — For the first time, researchers have used liquid crystals to create a flat magic window — a transparent device that produces a hidden image when light shines on it. The technology ...
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