NASA uses lasers to send information to and from Earth, employing invisible beams to traverse the skies, sending terabytes of data--pictures and videos--to increase our knowledge of the universe. This capability is known as laser, or optical, communications, even though these eye-safe, infrared beams can't be seen by human eyes.
NASA uses lasers to send information to and from Earth, employing invisible beams to traverse the skies, sending terabytes of data--pictures and videos--to increase our knowledge of the universe. This capability is known as laser, or optical, communications, even though these eye-safe, infrared beams can't be seen by human eyes.
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