The hummingbird is named after its pleasant humming sound. But only now has it become clear how the wing generates this sound. Researchers observed hummingbirds using 12 high-speed cameras, 6 pressure plates and 2176 microphones. The soft and complex feathered wings generate sound in a fashion similar to how the simpler wings of insect do. These new insights could help make fans and drones quieter.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/03/210316083758.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/03/210316083758.htm
How hummingbirds hum
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March 16, 2021
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