Friday, December 1, 2017

Cool visuals & 1 Mechanical puzzle

Puzzlers: I'm way behind in posting about good puzzle apps. Sorry.  Check out these cool things. Back on Monday.


https://m.imgur.com/tWq3D7l


https://twitter.com/bigblueboo/status/935166326074732544

https://m.youtube.com/watch?v=RIEOOvcTFN0  Tony Fisher is bringing the Astrolabacus back.

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