Writing some CMU Daily news stories requires knowledge about music copyright and music licensing. Or maybe copyright infringement, and the ins and outs of song theft or music piracy or the safe harbour. Sometimes knowledge about how record deals work and streaming services are licensed and the latest digital music trends can be useful. And last week I needed to know the basics about how the Ethereum blockchain works. But today how to access the Holmes Chapel viaduct without walking down the A535 constituted expert insight!