One embodiment of the present invention provides a system that facilitates routing nets between cells in a circuit layout. A method in accordance with one embodiment of the invention includes determining if an automatic aircraft controller is controlling an aircraft function based at least in part on a target aircraft speed. Also provided are methods for the manufacture of such optical sensors. The venturi elements are pivotally mounted within the conduits to accelerate the wind towards the wind collectors regardless of in which direction the wind flows, rotating the wind collectors operatively associated with a wind turbine device.