No GPS? A DIY Radio Transmitter Can Help You Navigate Ifeadi C. 00:08 Feed: All Latest, Zero Tech Blog The old-school way to navigate is with a clock and a sextant, but you can also hack together this alternative. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsSomeone bought a piece of the Eiffel Tower for a rather large sum of moneySave $10 on this futuristic belt that doesn't have any holesRussell Brand shares a moving video about how to deal with griefThis simple Amazon code will give you free delivery all weekThe best UK deals for Thursday (Cyber Week): Amazon devices, LEGO sets, Yale alarms, and moreAndy Serkis brings out Gollum to make a hilarious point about his most famous role