Comprehending the mechanics of a compass is a helpful skill. Whether you are a hunter, outdoor enthusiast, survivalist, or simply an individual seeking a better understanding of orienteering skills, ...

This compass includes a sighting hole and notch so you can get accurate bearings, as well as a clinometer and a declination adjustment tool. The TruArc needle tilts up to 20° for balanced use anywhere ...

iOS ships with a basic compass that you can use to find your basic heading when driving or hiking. It's not as robust as some third-party orienteering apps, but it will work in a pinch when these ...

If shrunken down to micron size, a compass needle could wobble. (Courtesy: iStockphoto/tobias machhaus) A tiny magnetic needle just 10 μm long could be used to create a magnetic-field sensor that – if ...

If you're hiking or exploring the wilds and you lose or bust your compass you can make a rudimentary compass by floating a magnetized needle. Instead of looking for a pond or puddle to hold your ...

Safety note: the wire can get too hot to touch if you keep touching the terminals for too long. Can't see the video? Download an mp4 [21 MB] version of this video. Grab a compass, a coat hanger and a ...