It’s become increasingly popular to use an iPhone or smart phone as a compass. However, when you’re using it to be accurate, it’s best to use a magnetic compass to measure a magnetic field. That’s because electricity interferes with magnetic measurements.
Ever wonder why you’re working so hard at feng shui and it’s not working for you? Maybe it’s because feng shui often works like a radio. When you’re trying to listen to 105.2 tuning the dial to 105.3 or 105 might pick up the station, but it won’t come in clearly, if at all, or it will have a lot of static.