I've been out of town clearing out my mother in law's house, which means I haven't had time to make videos, but, in the attic I found this toy which used Shape Memory Polymer technology, and I thought that this kind of thing had only been invented in the 21st century.

Ok it's not much of a toy, but it is fascinating to figure out how this worked, and how there's a link to spaceflight in this story.

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