A conventional compass points north (well, to magnetic north, anyway). [Videoschmideo] wanted to make a compass that pointed somewhere specific. In particular, the compass — a wedding gift — was to ...
While most compasses have a needle that points north, the Truest North Compass is different. Its main needle always points to a location of your choice, while its secondary needle shows the distance ...
Mental Floss on MSN
In Outer Space, Where Does a Compass Point?
The earliest known compasses were made in China’s Han Dynasty, between 300 and 200 BCE. These simple instruments were made ...
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