Month: May 2022
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John Markoff, technology writer and Stewart Brand biographer
Show and Tell #313: John Markoff
![img](https://kk.org/cooltools/files/2017/12/71z24UyFpXL._SL1500_.jpg)
Diamancel Diamond File For Foot Calluses
Geometric diamond pattern buffs away hard corns and calluses.
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Modular 3D Printed Workshop Organizing System
Gareth’s Tips, Tools, and Shop Tales – Issue #120