You can weave software into hardware! And then fly to the moon!!
summary
Core rope memory is a hand‑woven read‑only store made of hair‑thin copper wire threaded through or around iron cores so a through‑thread = 1 and around = 0; women at Raytheon weave modules with hollow needles carrying about 20 feet of copper wire per pass, solder and pot, then run electrical tests. These modules fly on Apollo, survive the Apollo 12 lightning reboot, and require almost no automation beyond a mechanical positioning jig. core rope memory
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chapters (4)
- 0:00Start
- 0:30Software as Hardware
- 3:41Could Handmade Memory Be any Good
- 6:43Weave the Software into the Component
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