Electric wallpaper is being trialled in the UK as a sustainable substitute for traditional central heating. It's hoped the wallpaper, which is applied to the ceiling and then painted over, is a “viable” replacement for central heating . The wallpaper is being tested in 12 tenement properties in Glasgow owned and managed by West of Scotland Housing Association, to assess its effectiveness as a “clean” heat source. Scottish homes, some of the draughtiest and least insulated in Europe, contribute