Laser
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Imagine trying to get a group of people at a crowded party to focus on singing the same song at the same time. This is similar to how a laser works, where it aligns countless light waves to move together in perfect harmony. Just as you need everyone to synchronize their voices and sing in unison to produce a clear and focused song, a laser organizes light waves of a single color and frequency into a tight, directed beam, ensuring they all "sing" the same "note," creating a powerful and precise output.
Practice Version
Laser: A device that produces a narrow light beam of a single color and frequency. Laser. In history, the laser was first demonstrated in 1960 by Theodore Maiman, marking a significant advancement in technology.