[Ráfaga] Nº244: wifi, jewels, wood, RTK, KKK

[Jorge Sanz]

* A worldwide WiFi networks map
  https://wigle.net/

* 3D printed jewelry from geodata
  http://www.shapeways.com/shops/printablegeography

* 3D maps laser carved on wood to decorate your walls
  http://www.3dwoodmaps.com/

* A 50$ centimeter RTK GPS chip
  http://navspark.mybigcommerce.com/ns-hp-rtk-capable-gps-receiver/

* USA animated map of the Ku Klux Klan expansion between 1915 and 1940
  http://labs.library.vcu.edu/klan/

Raf