How does a magnetic compass work? Well, it’s all down to basic physics and human ingenuity. The key component of a standard baseplate compass is its magnetized needle, which is allowed to spin freely ...
4don MSN
How do compasses work?
If you're lost in the woods, your best chance of finding your way might be a tiny magnet.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results