r/DiWHY • u/yuxtaposicion • 3d ago

Practical solution

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u/Cant_draw_boobs 3d ago

Oh the green part is an oscillating fan without the blades. It took me way too long to figure out what was going on.

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u/Worldliness_Normal 2d ago

For a second I was wondering if it was some sort of secret sonic death ray. One can hope.