“Thám tử cá” truy tìm nguồn ô nhiễm nước
Các nhà khoa học Anh vừa chế tạo thành công một loạirobot hình cá có khả năng phát hiện chất gây ô nhiễm dưới nước. Chúnghoạt động bằng pin và liên lạc với nhau qua sóng wi-fi.
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