A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops. Lights on, lights off. That’s great for a small room with one entrance.

I don’t know about you, but working on multiple devices at once makes me feel like some kind of 90s hacker. I’m programming on my PC, answering emails on my laptop, responding to chat messages on my ...

When you use your computer on your home or office network, there's a lot happening in the background. To connect to another device on your network and use the internet, you're using two pieces of ...