Giày giúp định vị chủ nhân qua vệ tinh
Những người đi chơi xa từ nay không còn lo lắng bị đi lạc nhờ có đôi giày tích hợp thiết bị định vị qua vệ tinh (GPS). Nhà sáng tạo đôi giày thể thao công nghệ cao này là Issac Daniel, một kỹ sư người Mỹ 38 tuổi.
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