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However, visible light is only one type of light. All the different types of light that travelfrom the Sun to the Earth make up the light spectrum, and visible light is just a small partof that entire spectrum. Some of the other forms of energy within the light spectrum, suchas X-rays, ultraviolet rays, and microwaves, are also invisible to the human eye. Infraredlight, some of which is invisible, has many of the characteristics that visible light hasbecause it is adjacent to visible light on the light spectrum. Yet, it is a much better mediumfor data transmission because it is less susceptible to interference from other sources ofvisible light.
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