Exploring Hidden JPEG Features
https://hackaday.com/2026/07/24/exploring-hidden-jpeg-features/

The lossy compression algorithm used by JPEG was useful for those on the early Internet not only because it enabled pictures to be shared easier, but because it allows a …read more (https://hackaday.com/2026/07/24/exploring-hidden-jpeg-features/)

This Week in Security: AI is a Mess, Hacking Car Chargers, an OpenSSL DoS, and Factories Under Attack
https://hackaday.com/2026/07/24/this-week-in-security-ai-is-a-mess-hacking-car-chargers-an-openssl-dos-and-factories-under-attack/

[Ayush Paul] posts about extracting data from Claude agents while it accesses web data to fulfill user requests. But it wasn’t that easy. [Ayush] discovered that Anthropic anticipated many of …read more (https://hackaday.com/2026/07/24/this-week-in-security-ai-is-a-mess-hacking-car-chargers-an-openssl-dos-and-factories-under-attack/)

Hackaday Podcast Episode 379: Driving E-ink DIY, NES on ESP, and the Other IRC
https://hackaday.com/2026/07/24/hackaday-podcast-episode-379-driving-e-ink-diy-nes-on-esp-and-the-other-irc/

On this episode, Hackaday editors Elliot Williams and Tom Nardi discuss their love of electronic paper, clunky cartridges, and keeping old games alive by any means possible. You’ll also hear …read more (https://hackaday.com/2026/07/24/hackaday-podcast-episode-379-driving-e-ink-diy-nes-on-esp-and-the-other-irc/)

E-ink Writing Deck Rocks a Typewriter Aesthetic
https://hackaday.com/2026/07/24/e-ink-writing-deck-rocks-a-typewriter-aesthetic/

[Myth Made] has a goal to get into writing. However, she likes to do things the aesthetic way, rather than the easy way. Thus, she has eschewed simple word processing on …read more (https://hackaday.com/2026/07/24/e-ink-writing-deck-rocks-a-typewriter-aesthetic/)

Keeping Mosquitoes Away with Catnip-Based Repellent
https://hackaday.com/2026/07/24/keeping-mosquitoes-away-with-catnip-based-repellent/

“Mosquito on human skin (https://commons.wikimedia.org/w/index.php?curid=83022999)” by James Gathany, USCDCP is marked with CC0 1.0

Codeberg Bans Cryptocurrency and LLM-Generated Code Projects
https://hackaday.com/2026/07/24/codeberg-bans-cryptocurrency-and-llm-generated-code-projects/

Community-led open source project hosting site Codeberg has formally announced that projects whose code is largely or fully machine-generated through LLMs and other ‘AI’ tools will no longer be welcome. …read more (https://hackaday.com/2026/07/24/codeberg-bans-cryptocurrency-and-llm-generated-code-projects/)

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' data-image-caption='“Mosquito on human skin (https://commons.wikimedia.org/w/index.php?curid=83022999)” by James Gathany, USCDCP is marked with CC0 1.0

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' data-large-file="https://hackaday.com/wp-content/uploads/2026/07/Mosquito_on_human_skin.jpg?w=800">Despite their small size, mosquitoes are one of the deadliest creatures on Earth, and keeping them away from you is one of the best ways to stay safe. DEET has …read more (https://hackaday.com/2026/07/24/keeping-mosquitoes-away-with-catnip-based-repellent/)