Lần đầu tiên ghi lại được cảnh tia laser di chuyển trong không khí
Cập nhật: 13:50 29/01/2015 GMT+7
Bằng cách sử dụng camera tốc độ xấp xỉ 20 tỷ khung hình/giây, các nhà khoa học đã lần đầu tiên quay lại được đoạn video cho thấy một chùm laser đang di chuyển trong không khí với thời gian 6 nano giây.
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