Additionally, if the light is sent as a vertical array of lines, these lines can be bent into horizontal rows of dots.
The act of light spreading out after passing through a tiny area or bending around an object is known as diffraction. The diffraction of light waves is a topic covered in physics classes. Sound, radio, and water waves are all susceptible to diffraction.
Water waves bending around a stationary object are the most typical instance of diffraction. Around an object's edge, light bends similarly. They diffract, or shift direction, noticeably.
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