txt.sour.is @<startalk https://feeds.twtxt.net/startalk/twtxt.txt> "**A Materials World – Hacks & Gizmos with Neil deGrasse Tyson and Jud Ready** ⌘ Read more"

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Fri, Nov 19 20:57 2021 (3y ago)

A Materials World – Hacks & Gizmos with Neil deGrasse Tyson and Jud Ready ⌘ Read more

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