The Manual on MSN

How to use a compass for navigation when GPS fails

In the days since GPS was invented, many of us have lost the skill of navigating by a good old compass and map. As a family ...
Popular Science

New Atomic-Laser Compass Determines Direction of Magnetic Fields Optically

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Modern technologies like GPS and cell signal triangulation have made ...