If you have a compass, you can know the direction exactly, but not many people carry a compass with them all the time. Also, smartphone apps with a compass function may not be usable in an emergency ...

An Apple patent (number 20110090244) for an electronic sighting compass has appeared at the US Patent & Trademark Office. The invention relates to a portable electronic device — iPhones, no doubt, as ...

If you’ve ever used your phone’s built-in compass and felt something was off, you’re likely not imagining it. After testing several models, we encountered everything from pinpoint-accurate readings to ...