From Daniela Krug and Lars Malmqvist comes TubeViz – a nice visualisation of passenger entries to, and exits from, tube stations (not Overground or DLR) in London. As the animation runs, you can see the huge station usage in the centre of London during, and between, the rush hours,...

This map of mobile phone signal strength, produced by the GeoInformation Group this year, was one of the graphics featured in the exhibition that accompanied the launch of the London Mapping Festival at the beginning of June. The map, a raster at 5m resolution, shows how the mobile phone...