If auto-rotate on your Samsung device has suddenly stopped, the issue can be due to a number of reasons such as an app problem, a software glitch, a firmware error, or a bad sensor. Although not ...

How do piezoelectric accelerometers — vibration sensors — work? The force caused by vibration or a change in motion (acceleration) causes the sensor's mass to “squeeze” contained piezoelectric ...

From finding hidden metal to adjusting lighting, these hidden gems will change how you use your phone ...