If identification isn’t enough, you can set the iPhone to block notifications for any number not in your personal network.

In the Settings app, go to Accessibility > Touch > Back Tap and choose one of two options: double tap or triple tap. You should see a list of actions you can run by tapping the back of your iPhone, ...

Your iPhone will display a circular frame on the screen with instructions to position your face within it. It's just like ...

I love the iPhone Air, but slow USB-C speeds and the lack of extra cameras stopped me from fully committing long-term.

Abstract: This paper is concerned with a set of independent jobs in a permutation flow shop that have setup times on a set of machines. The M-IAIS algorithm, which is based on immunoglobulins and has ...