What Causes the ‘Buzz’ of a Drone?

Drones buzz because their motors are spinning really fast. Inside a drone, there are tiny engines called motors that spin little blades to make the drone fly. When they go super fast, they vibrate the air around them, and that vibration makes a buzzing sound, just like a bee!

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Examples

A drone buzzing like a bee while flying around your bedroom at night.
Your neighbor’s drone making a buzz like a vacuum cleaner on full power.
The drone buzzing loudly when you first turn it on.

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Categories: Technology · Drones,Sound Waves,Vibrations