One late night many decades ago, I chanced upon a technical description of the Touch-Tone system. The book I was reading had an explanation of how each key on a telephone sends a combination of two ...

Right up front, let us stipulate that we are not making fun of this project. Even its maker admits that it has no practical purpose. But this 3D-printed Commodore-style rotary dial keypad fails to be ...

The ‘*’ and ‘#’ keys on phone dial pads are often overlooked, yet they play a crucial role in everyday mobile and landline ...

Whatever details, factoids, and minutiae you can rattle off about the people who make up the Contacts stored on your iPhone, chances are their phone numbers are not among the data that you’re able to ...