[John Sabato]

...Or that those cores lost their "state" when power was removed...

yeah, yeah, the first "computers" (read that as "cryptographic equipment") that this old-timer worked on used core-memory and vacuum tube amplified driver pulses that used power sources that would curl your toes if it touched you when you weren't looking... seems like a hundred years ago to me. There is more computing power in my three year old cell phone than you could fit in the average house back then... and the phone will run for two days on a battery not much larger than a business card instead of requiring an armored truck to pick up your electricity bill payment... Those weren't the good ole' days... these are!