Punch card data input is so 1890 US Census, right? Maybe not, if your goal is to educate kids about binary numbers and how they can encode characters. In which case, this paper clip and metal tape ...

Cyphercon 4.0 came to life in Milwaukee, Wisconsin on Thursday and the conference badge is a brilliant and engaging design. At first glance it looks like a fairly mundane rectangular badge. But a ...

Based on the fact that the “More Cool Stuff Page” on my DIY Calculator website contains a rather interesting paper detailing the history of paper tapes and punched cards as mechanisms for storing ...