It's hard to imagine how we made some of history's greatest achievements with the technology available at the time. In the 1700s, scientists calculated the movement of comets with pen and paper. Likewise, in the 1960s, the super-advanced computing power NASA had at its disposal was less than you get on a single iPhone these days. Nonetheless, we made those achievements with what we had. And one of the things we had was an unbelievable technology known as core rope memory.
Knitting Projects in Space
Knitting to the Moon!
Key Facts In This Video
Punch cards and tape drives, popular forms of computer memory in the 1960s, were too heavy to fly to space and couldn't withstand the journey anyway. 01:11
Core rope memory coded ones and zeros into magnets and wires woven on a specialized loom. 01:53
To represent a one, a worker weaved a wire through a magnetic donut. To represent a zero, the wire was woven outside of it. 02:18
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