We're all familiar with (and dependent on) wifi. But most of us don't actually know what wifi stands for. Spoiler: It's not wireless fidelity.

Wi-Fi has become a fundamental part of modern digital life, but its foundation is the same as the technology that allowed your great-grandparents to listen to their favorite radio programs.

Have you ever stopped to consider exactly how e-mail or streaming video gets into your smartphone or tablet so quickly, seamlessly, and in real time? That's wi-fi in action. This week, Tech Talker ...

You zip into Starbucks looking for a latte and a Wi-Fi connection. Your MacBook does a little dance and connects so you can go online. But how does it actually work? What’s the magic?

You’re scrolling on your phone, streaming videos, or playing games, all without any wires. But how exactly does Wi-Fi send ...

Your Wi-Fi router is like a radio station. Imagine a radio station playing your favorite song. You don’t need a wire to hear it, it’s sent through the air using invisible waves.