Share this postScience Sundays #53explore.discoverydose.comCopy linkFacebookEmailNoteOtherScience Sundays #53Here’s your daily dose of Engineering Facts!Discovery DoseJan 07, 20243Share this postScience Sundays #53explore.discoverydose.comCopy linkFacebookEmailNoteOtherShareThe first practical GPS system was developed by the US Department of Defense in the 1970s.PreviousNext