Longitudinal Wave
Longitudinal waves, also known as "l-waves", are waves that have the same direction of vibration as their direction of travel, which means that the movement of the medium is in the same direction as, or the opposite direction to, the motion of the wave. Mechanical longitudinal waves are also called compressional waves or compression waves.
Read more about Longitudinal Wave: Non-electromagnetic, Electromagnetic
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“And his wish is intimacy,
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As the wave breaks to foam on shelves,
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