The Pennsylvania Railroad (PRR)’s T1 class is famous for many reasons: being enormous, being a duplex, possibly having beaten Mallard’s speed record while no one was looking… and being in …read more (https://hackaday.com/2026/01/01/building-a-steam-loco-these-days-is-nothing-but-hacks/)

Putting a Cheapo 1800W DC-DC Boost Converter to the Test
https://hackaday.com/2026/01/01/putting-a-cheapo-1800w-dc-dc-boost-converter-to-the-test/

These days ready-to-use DC-DC converters are everywhere, with some of the cheaper ones even being safe to use without an immediate risk to life and limb(s). This piques one’s curiosity …read more (https://hackaday.com/2026/01/01/putting-a-cheapo-1800w-dc-dc-boost-converter-to-the-test/)

Terminal-Based Web Browsing with Modern Conveniences
https://hackaday.com/2026/01/01/terminal-based-web-browsing-with-modern-conveniences/

Programmers hold to a wide spectrum of positions on software complexity, from the rare command-line purists to the much more common web app developers, and the two extremes rarely meet. …read more (https://hackaday.com/2026/01/01/terminal-based-web-browsing-with-modern-conveniences/)

Making the Fastest LEGO Technic Air-Powered Engine
https://hackaday.com/2026/01/01/making-the-fastest-lego-technic-air-powered-engine/

Just because LEGO Technic is technically a toy doesn’t mean that you cannot do solid engineering with it, like building air-powered engines. After first building a simple air-powered piston engine, …read more (https://hackaday.com/2026/01/01/making-the-fastest-lego-technic-air-powered-engine/)

Print Your Own Standardized Wire Spool Storage
https://hackaday.com/2026/01/02/print-your-own-standardized-wire-spool-storage/

Hardware hackers tend to have loads of hookup wire, and that led [firstgizmo] to design a 3D printable wire and cable spool storage system. As a bonus, it’s Gridfinity-compatible! There …read more (https://hackaday.com/2026/01/02/print-your-own-standardized-wire-spool-storage/)

Liquid CO2 For Grid Scale Energy Storage Isn’t Just Hot Air
https://hackaday.com/2026/01/02/liquid-co2-for-grid-scale-energy-storage-isnt-just-hot-air/

There’s folk wisdom in just about every culture that teaches about renewable energy — things like “make hay while the sun shines”. But as an industrial culture, we want to …read more (https://hackaday.com/2026/01/02/liquid-co2-for-grid-scale-energy-storage-isnt-just-hot-air/)

Low-Cost, Portable Streaming Server
https://hackaday.com/2026/01/02/low-cost-portable-streaming-server/

Thanks to the Raspberry Pi, we have easy access to extremely inexpensive machines running Linux that have all kinds of GPIO as well as various networking protocols. And as the …read more (https://hackaday.com/2026/01/02/low-cost-portable-streaming-server/)