"Our smartphones are magical things far more than dopamine drip providers and a way to keep in touch with friends and family. Using the built-in features and easily available additional apps, there are plenty of clever things you can do with your smartphone. Turn your phone into a tape measure The iPhone's Measure app uses augmented reality and the device's camera to calculate everything from ceiling heights to room dimensions handy for those DIY tasks that require a quick decision."
"Metal detectors cost a pretty penny, but many modern devices have built-in magnetometers designed to help improve the accuracy of GPS within apps. Those magnetometers are also used in metal detectors, and some apps can harness that tech to detect metal. These apps are never going to be as accurate as tailor-made products, but if you are looking for a way to entertain the kids on a day at the beach, they will more than suffice in seeking out small bits of treasure."
Smartphones offer a range of practical features beyond communication and social apps. The iPhone Measure app uses augmented reality and the camera to calculate ceiling heights, room dimensions and a person's height for quick DIY decisions. Many devices include magnetometers used by some apps to detect metal, providing an inexpensive way to find small items though less accurate than dedicated detectors. Several Android phones include infrared blasters and many handsets can control smart devices over Wi‑Fi or Bluetooth, enabling remote control of TVs, set‑top boxes, air conditioning, lights, speakers and streaming sticks. Smartphones can also digitise old photographic negatives.
Read at www.theguardian.com
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