Charles Platt lives in the Arizona wilderness where he writes books about electronics and builds rapid cooling devices for the cryonics community.   For show notes and transcript visit: <a href= "https://kk.org/cooltools/charles-platt-author-2/">https://kk.org/cooltools/charles-platt-author-2/</a>   If you're enjoying the Cool Tools podcast, check out our paperback book Four Favorite Tools: Fantastic tools by 150 notable creators, available in both Color or B&W on Amazon: <a href= "https://geni.us/fourfavoritetools">https://geni.us/fourfavoritetools</a><img src="https://feedpress.me/link/7810/15433512.gif" height="1" width="1"/>

323: Derek Sivers

In each episode of the Cool Tools Show, Kevin Kelly and Mark Frauenfelder talk to a guest about some of his or her favorite uncommon and uncommonly good tools they think others should know about.