I figured everyone knew this trick by now, but given the number of people who’ve gasped “How did you do that!? ” when they see the numeric battery display on my iPod, I thought I’d pass it along to ...

In a way, all 7-segment displays are alike; at least from the outside looking in. On the inside it can be quite another story, and that’s certainly the case with the construction of this Soviet-era ...

Most Mac users know that, to take a screenshot of the Mac's display, you type Command-Shift-3. However, a reader reports that, at least in some Mac model and OS configurations, this only works with ...