You’ve just had a terrible car crash. How quickly the emergency services arrive could determine whether you – or the people you’re with – live or die. It’s a scenario none of us would willingly contemplate, but technology developed in South Africa aims to address it, reporting an emergency situation without even requiring a button to be clicked. CrashDetech‘s app is able to detect a serious car crash simply by using the accelerometer sensors in your phone that measure the g-force of an impact. The app then pinpoints the driver’s location and dispatches the nearest ambulance – complete with paramedics that know the user’s medical history – automatically. Read more here .