If you want read-only memory today, you might be tempted to use flash memory or, if you want old-school, maybe an EPROM. But there was a time when that wasn’t feasible. [Igor Brichkov] shows us how to ...

If you thought the fact that an iPhone was four times as powerful as the on-board computer of the Curiosity Rover was unbelievable, take a look at the meager tech the Apollo Program used to get into ...

It’s time you met one of our key ancestors, Core Rope Memory. It’s exactly what its name indicates: read-only memory that is comprised of iron cores and metal rope wrapped around them. Now, to the ...

We’ve seen a few interesting magnetic core memories on these fine pages over the years, but we don’t recall seeing too many user programmable magnetic core memory devices. This interesting Russian ...