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Light barrier may refer to:
The theoretical maximum speed that any physical object or information can travel at – the speed of light
An opto-electronic device used in security applications, also known as a light curtain
Topics referred to by the same term
This disambiguation page lists articles associated with the title Light barrier. If an internal link led you here, you may wish to change the link to point directly to the intended article.
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This disambiguation page lists articles associated with the title Light barrier.