Đẩy nhanh tốc độ internet bằng công tắc ánh sáng
Một nhóm khoa học gia và kỹ sư Mỹ cho biết, thiết bị mới sử dụng ánh sáng làm phần chuyển đảo có thể tăng mạnh tốc độ tải internet.
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