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 ...

Ever wanted to know how engineers made their calculations before digital calculators were on every workbench? [Richard Carpenter] and [Robert Wolf] have just the thing—a sliderule simulator that can ...

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 ...