Legacy. Hermann Ebbinghausâ lasting contributions to the field of psychology are multiple. In addition to being the first psychologist to study areas of human learning and memory, Ebbinghaus contributed greatly to the establishment of experimental psychology.
This includes dimming the display slightly, stopping Mail push and fetch, turning off background app refresh, turning off Hey Siri, and a few other iOS features. By turning these features off, the battery life of the iPhone is extended dramatically, and when Low Power Mode is enabled the iPhone battery icon is yellow to demonstrate this.
Youâll find Low Power Mode in the Battery menu, which Apple has moved to the main Settings screen. When your iPhone reaches 20 and 10 percent of its battery life, iOS 9 will also prompt you to turn on Low Power Mode. Once turned on, your battery indicator turns yellow to let you know the energy-saving mode is enabled.