One of the major limits of mass-produced batteries is the electrolyte. From lead-acid to lithium ion, there’s some temperature where the electrolyte will freeze and cause all sorts of problems, …read more (https://hackaday.com/2026/10/22/nasa-batteries-survive-extreme-cold-and-heat/)

Restoring a Soviet ES-4001 Mainframe Control Panel
https://hackaday.com/2026/10/22/restoring-a-soviet-es-4001-mainframe-control-panel/

Recently the [Chornobyl Family] got their hands on an ES-4001 control panel for a 1970s-era Soviet mainframe, with the intention to restore it to full working order. Not just because …read more (https://hackaday.com/2026/10/22/restoring-a-soviet-es-4001-mainframe-control-panel/)

DOOM Ported to a $30 Clamp Meter
https://hackaday.com/2026/10/23/doom-ported-to-a-30-clamp-meter/

DOOM. Boil it, mash it, stick it in a stew, it’s the game that runs on anything and everything. Now, the classic shooter is running on a rather unlikely target—a …read more (https://hackaday.com/2026/10/23/doom-ported-to-a-30-clamp-meter/)

When You Can’t Pick Between Electric and Jet Power, This Buggy Has You Covered
https://hackaday.com/2026/10/23/when-you-cant-pick-between-electric-and-jet-power-this-buggy-has-you-covered/

Technically, what [Macona] built with a surplus Solar T-62 turbine is not a dune buggy, but a sand rail, but it does have the delightfully rare combination of electric and …read more (https://hackaday.com/2026/10/23/when-you-cant-pick-between-electric-and-jet-power-this-buggy-has-you-covered/)

This Week in Security: Record Patch Tuesday, PHP’s Bad Time, The Oldest Vuln, AI Armies, and More
https://hackaday.com/2026/10/23/this-week-in-security-record-patch-tuesday-phps-bad-time-the-oldest-vuln-ai-armies-and-more/

It’s no longer a proper month without Microsoft breaking its own record for security fixes, and October’s Patch Tuesday was no exception. Brian Krebs brings the roundup: more than 1,400 …read more (https://hackaday.com/2026/10/23/this-week-in-security-record-patch-tuesday-phps-bad-time-the-oldest-vuln-ai-armies-and-more/)

The MSX Gets A New Sound Expansion Cartridge
https://hackaday.com/2026/10/23/the-msx-gets-a-new-sound-expansion-cartridge/

If we’re honest, there aren’t a whole lot of accessories coming out for the MSX computer line this holiday period. There is, however, a new sound expansion cartridge for the …read more (https://hackaday.com/2026/10/23/the-msx-gets-a-new-sound-expansion-cartridge/)

Hackaday Podcast Episode 392: Microscopes, Drones, and Other DIY Things
https://hackaday.com/2026/10/23/hackaday-podcast-episode-392-microscopes-drones-and-other-diy-things/

Hackaday Editors Elliot Williams and Al Williams met to review the week in Hackaday. Turns out, it was a week for tiny things, cybersecurity, nostalgia, and projects that would have …read more (https://hackaday.com/2026/10/23/hackaday-podcast-episode-392-microscopes-drones-and-other-diy-things/)