Chất dẻo khoẻ như thép
Bằng việc bắt chước cấu trúc vỏ sò, các nhà khoa học đã tạo ra một loại chất dẻo trong suốt, bền chắc như thép, có thể ứng dụng rộng rãi trong thời gian tới.
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