GPS accuracy relies on Einstein's relativity theories to correct satellite timing errors that would otherwise cause 6+ mile daily navigation mistakes.

Forbes contributors publish independent expert analyses and insights. Journalist, analyst, author, podcaster. The U.S. Defense Advanced Research Projects Agency (DARPA) has awarded Australian quantum ...

European Commission President Ursula von der Leyen was flying into Bulgaria when her plane's GPS system was jammed in a suspected Russian operation, forcing pilots to rely on backup navigation and old ...