Cutting edge to the cutter’s torch. (A repost from 2011)

What happens to old transportation technology? It becomes less valuable than scrap! The Birmingham airport MAGLEV was cutting edge transportation technology in 1984 (two years before the SkyTrain Expo Line opened) but by 1995 was scrapped as obsolete. This is reminiscent of another cutting edge transportation technology more than a century ago, the atmospheric railway. […]