If you’re stranded in a remote location, it’s clearly important to know what direction you’re moving in.
If you're without a compass and lost in the wilderness, you can create what MAKE Magazine calls a "cup positioning system" to help you find your bearing. All it takes is a paper or styrofoam cup, a ...
In a world filled with modern navigation tools, there is still a place where the humble compass can be used. Knowing how to make a compass, and teaching others how to make one, serves to develop a ...