These days, data is as likely as not to be “in the cloud.” Otherwise, it’s probably on a USB flash drive or SD card. But in the old days, paper tape was a widespread way to store and retrieve data. A ...

Building a paper tape reader by itself isn’t super complicated: you need a source of light, some photoreceptors behind the tape to register the presence of holes and some way to pull the tape through ...

(1) A slow, low-capacity, sequential storage medium used on earlier computing and communications devices. Paper tape holds data as patterns of punched holes. (2) A paper roll printed by a calculator ...