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by JumpCrisscross 786 days ago
> method described in the present article doesn't rely on rotating propellers that produce vibrations, thereby reducing one of the major sources of noise

The main source of “hull vibration and noise” from propellers is cavitation [1]. Laser propulsion directly cavitates.

[1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4549849/