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A comment on Stanford lab envisions delivery drones that save energy by taking the bus. Parent comment

Re:Stanford lab envisions delivery drones that save energy b... by rootusrootus on Thursday June 04, 2020 @12:51PM (#23418950)
Except an RC drone doesn't sound anything like a case fan. It sounds like a swarm of hornets. Maybe that's why it is such a grating sound to human ears.
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