"A while ago I read about a belt that enabled the wearer to know true north" There's this: http://www.wired.com/wired/archive/15.04/esp.html http://www.wired.

"A while ago I read about a belt that enabled the wearer to know true north" There's this: http://www.wired.com/wired/archive/15.04/esp.html http://www.wired.com/wired/archive/15.04/esp.html and this: http://www.monkeysandrobots.com/hapticcompass http://www.monkeysandrobots.com/hapticcompass