Blow at your mic and see the pinwheel turn and the dust particles fly away. It detects microphone sound using a loudness block prototype.data:image/png;base64,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data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAeAAAAFoCAYAAACPNyggAAACtUlEQVR4nO3BMQEAAADCoPVPbQwfoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA+Bo3+AAF/RMkcAAAAAElFTkSuQmCC