Laser
Definition 1 of 3
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Technical Precision
The term implies high accuracy, often used in scientific and technical fields. The machine was aligned with a laser for precise measurements.
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Not Always Visible
Lasers can be invisible, such as those used in remote controls. The remote works by sending an invisible laser signal to the TV.
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Safety Concerns
Lasers can be dangerous, caution is needed when used in public contexts. Do not point the laser at anyone's eyes; it can cause harm.