Áo giáp “nàng tiên cá”
Các nhà nghiên cứu Mỹ cho biết cấu trúc của vảy cá có thể là một gợi ý rất tốt cho các loại áo giáp của tương lai. Một nhóm nghiên cứu tại Viện công nghệ Massachusettsđã tìm hiểu vẩy của loài Polypterus senegalus. Họ cho biết cấu tạo vẩycá làm lệch sức ép...
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