The Manual on MSN2mon
How to use a compass for navigation when GPS fails
Experts from REI do a great job of explaining the basic parts of a compass and how to use them, but here is the breakdown: ...
Hosted on MSN4mon
Magnetic displacement experiment challenges long-held theories on how migratory birds navigate
Research by Bangor University found that these birds, in this case, Eurasian reed warblers (Acrocephalus scirpaceus) use only the Earth's magnetic inclination and declination to determine their ...