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 ...

NASA used radiation-resistant core rope memory, which consisted of fermite rings woven together with rope, for its Apollo space missions. NASA used radiation-resistant core rope memory, which ...

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 ...