Tutorials





The story of Ethernet

Ethernet is all around us. Yet most people don’t understand it. The word has become synonymous with the Category 5 cable (pictured above) but that’s not really right. Ethernet is a set of very basic standards…


Why are they called “cell phones?”

It may seem weird that we refer to those devices in our pockets as “cell phones.” Certainly, we can all remember when their primary purpose was to make and take telephone calls; that was only just…





What is active noise cancellation?

The first time I tried headphones with active noise cancellation, I fell in love. I don’t just take them on planes, I use them in the office. I keep them with me whenever, because you never…