I’ll be honest, I have no idea how to use a slide rule. But I’ve always found them to be very intriguing, mostly because they look very complicated, and I have a soft spot for the trappings of geekery ...

Try this quick experiment. Do a Google search for ‘Steve Jobs presentation slides.’ Hit images. You’ll find hundreds of photos from Jobs’ now-famous keynotes. Look closely at the slides and you’ll ...

Learning something on YouTube seems kind of modern. But if you are watching a 1957 instructional film about slide rules, it also seems old-fashioned. But Encyclopædia Britannica has a complete ...