Although described as a funicular, this historic railroad that runs from the old town of Genoa, Italy, to the village of Granarolo, way up in the hills, is technically based on an entirely different principle. Rather than using a cable and the mass balance of two cars to traverse the steep track, the electrically powered railcars use a simple rack and pinion system down the center of the track to drive the cars up and down. Originally built around 1898 and refurbished in 1923, the antique cars run from an…