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Photo: Sand Letter / Tian Li, Fu Zhiyong, SeeekLab, by Ars Electronica
Photo: Sand Letter / Tian Li, Fu Zhiyong, SeeekLab, by Ars Electronica

Photo: Sand Letter / Tian Li, Fu Zhiyong, SeeekLab, by Ars Electronica

Close-up view of a mechanical apparatus with an attached metal stylus inscribing a Chinese character in a thin layer of white sand.
Sand Letter / Tian Li, Fu Zhiyong, SeeekLab, by Ars Electronica (CC BY-NC-ND 2.0)