It stands to reason that if you have access to an LLM’s training data, you can influence what’s coming out the other end of the inscrutable AI’s network. The obvious …read more (https://hackaday.com/2025/12/14/it-only-takes-a-handful-of-samples-to-poison-any-size-llm-anthropic-finds/)

Hackaday Links: December 14, 2025
https://hackaday.com/2025/12/14/hackaday-links-december-14-2025/

Fix stuff, earn big awards? Maybe, if this idea for repair bounties takes off. The group is dubbed the FULU Foundation, for “Freedom from Unethical Limitations on Users,” and was …read more (https://hackaday.com/2025/12/14/hackaday-links-december-14-2025/)

All-Screen Keyboard Has Flexible Layouts
https://hackaday.com/2025/12/15/all-screen-keyboard-has-flexible-layouts/

Most keyboards are factory-set for a specific layout, and most users never change from the standard layout for their home locale. As a multilingual person, [Inkbox] wanted a more flexible …read more (https://hackaday.com/2025/12/15/all-screen-keyboard-has-flexible-layouts/)

Mass Spectrometer Tear Down
https://hackaday.com/2025/12/15/mass-spectrometer-tear-down/

If you have ever thought, “I wish I could have a mass spectrometer at home,” then we aren’t very surprised you are reading Hackaday. [Thomas Scherrer] somehow acquired a broken …read more (https://hackaday.com/2025/12/15/mass-spectrometer-tear-down/)

A Brief History of the Spreadsheet
https://hackaday.com/2025/12/15/a-brief-history-of-the-spreadsheet/

We noted that Excel turned 40 this year. That makes it seem old, and today, if you say “spreadsheet,” there’s a good chance you are talking about an Excel spreadsheet, …read more (https://hackaday.com/2025/12/15/a-brief-history-of-the-spreadsheet/)

Tearing Down Walmart’s $12 Keychain Camera
https://hackaday.com/2025/12/15/tearing-down-walmarts-12-keychain-camera/

Keychain cameras are rarely good. However, in the case of Walmart’s current offering, it might be worse than it’s supposed to be. [FoxTailWhipz] bought the Vivitar-branded device and set about …read more (https://hackaday.com/2025/12/15/tearing-down-walmarts-12-keychain-camera/)

Pufferfish Venom Can Kill, Or It Can Relieve Pain
https://hackaday.com/2025/12/15/pufferfish-venom-can-kill-or-it-can-relieve-pain/

Illustrative image of a pufferfish, but not one of the poisonous ones.
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/12/Puffer_Fish_DSC01257_featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/12/Puffer_Fish_DSC01257_featured.png?w=800">Tetrodotoxin (TTX) is best known as the neurotoxin of the puffer fish, though it also appears in a range of other marine species. You might remember it from an episode …read more (https://hackaday.com/2025/12/15/pufferfish-venom-can-kill-or-it-can-relieve-pain/)