Add Yahoo as a preferred source to see more of our stories on Google. How does a magnetic compass work: compass. How does a magnetic compass work? Well, it's all down to basic physics and human ...

Some inventions are so simple that it’s hard to improve them. The magnetic compass is a great example — a magnetized needle, a bit of cork, and a bowl of water are all you need to start navigating the ...

The magnetic compass that birds use for orientation is affected by polarized light. That is the finding of researchers in Sweden, who studied zebra finches navigating a simple maze and found that the ...