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Cool tools really work.
A cool tool can be any book, gadget, software, video, map, hardware, material, or website that is tried and true. All reviews on this site are written by readers who have actually used the tool and others like it. Items can be either old or new as long as they are wonderful. We post things we like and ignore the rest. Suggestions for tools much better than what is recommended here are always wanted.
If you’re considering psychedelic therapy, I recommend starting with Althea’s Psychedelic Preparedness Scale, a three-minute quiz that helps assess your readiness by evaluating mental health stability, intentions, knowledge, support systems, and coping skills. Developed in a clinical trial at University College London, the quiz identifies areas needing improvement to ensure a safer and more meaningful experience. Althea, a Public Benefit Corporation based in Oregon and Colorado, connects individuals with licensed facilitators for legal psychedelic therapy, aiming to make these transformative experiences more accessible and stigma-free. — CD
European word explorer
This web tool instantly shows how a word translates across about 30 European languages, displayed on a color-coded map. Type in English words like "cat" or "thank you" and the translations appear in their geographic locations. The color codes show linguistic families like Romance and Slavic languages. Proszę bardzo! — MF
Netflix codes
I’m often very unimpressed with my Netflix algorithm, but these Netflix Codes have helped me discover new and surprising content. It’s useful, if you can overlook all the unsightly ads. — CD
Nuclear bomb rockets
One of the crazier projects funded by the US government was a plan in 1957 to build a 4,000-ton spaceship powered by exploding nuclear bombs. A small group of scientists aimed to reach Mars by 1965 in Project Orion, long before the dream of NASA’s Apollo. One of those working on the project was physicist Freeman Dyson. His son George Dyson interviewed his father and all remaining participants, and got thousands of declassified documents to tell the whole astounding story in a remarkable book, Project Orion. Published to little fanfare in 2002, Dyson has re-released a self-published expanded version (2025) with new material, new documents and illustrations, full citations of his sources, all material that the original publisher excluded. This strange story has lessons for attempting (and funding) hairy, audacious seemingly impossible projects. It’s great historical storytelling, too. – KK
Universal travel adapter with USB charging
The compact EPICKA Universal Travel Adapter has 5 USB ports (3 USB-C, 2 USB-A) and plug configurations for US/EU/UK/AUS. Its LED power indicator lets you know it's working. Just remember it's not a voltage converter — your devices need to be dual-voltage compatible. — MF
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