La bàn số cho người khiếm thị
(TT) - Các nhà khoa học Nhật đang thử nghiệm trên chuột một loại la bàn kỹ thuật số mà trong tương lai sẽ trở thành công cụ hỗ trợ đắc lực cho người khiếm thị khi di chuyển.
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