Keep That Engine Running, With a Gassifier
<img width="800" height="450" src="![image](https://hackaday.com/wp-content/uploads/2025/10/gasifier-featured.jpg?w=800")
alt=""/>Every now and then in histories of the 20th’s century’s earlier years, you will see pictures of cars and commercial vehicles equipped with bulky drums, contraptions to make their fuel 
alt=""/>Every now and then in histories of the 20th’s century’s earlier years, you will see pictures of cars and commercial vehicles equipped with bulky drums, contraptions to make their fuel Hackaday
Keep That Engine Running, With A Gassifier
Every now and then in histories of the 20th’s century’s earlier years, you will see pictures of cars and commercial vehicles equipped w...
Hackaday
Keep That Engine Running, With A Gassifier
Every now and then in histories of the 20th’s century’s earlier years, you will see pictures of cars and commercial vehicles equipped w...
![image](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800")
alt="Hackaday Links Column Banner"/>We’ve probably all seen some old newsreel or documentary from The Before Times where the narrator, using his best Mid-Atlantic accent, described those newfangled computers as “thinking machines,” or better 
![image](https://hackaday.com/wp-content/uploads/2025/10/CINTRE-PVC-joinery-featured-banner.png?w=800")
alt=""/>[Baptiste Marx] shares his take on designing emergency structures using PVC pipe in a way that requires an absolute minimum of added parts. CINTRE (French, English coverage article here) is 
![image](https://hackaday.com/wp-content/uploads/2022/12/PoE-featured.jpg?w=800")
alt=""/>As Ethernet became the world-wide standard for wired networking, there was one nagging problem. You already have to plug in the network cable. But then you have to also plug 
![image](https://hackaday.com/wp-content/uploads/2025/09/radio-sounds-featured.jpg?w=800")
alt=""/>The way to get into radio, and thence electronics, in the middle years of the last century, was to fire up a shortwave receiver and tune across the bands. In 
![image](https://hackaday.com/wp-content/uploads/2025/09/solar-meshtastic-featured.jpg?w=800")
alt=""/>A Meshtastic node has been one of the toys of the moment over the last year, and since they are popular with radio amateurs there’s a chance you’ll already live 
![image](https://hackaday.com/wp-content/uploads/2025/09/skew_a200c3.jpeg?w=800")
alt=""/>Do you or a loved one suffer from distorted 3D prints? Does your laser cutter produce parallelograms instead of rectangles? If so, you might be suffering from CNC skew miscalibration, 
![image](https://hackaday.com/wp-content/uploads/2025/08/wood_treatments_comparison_rag_n_bone_brown_youtube.jpg?w=800")
alt=""/>Wood is an amazing material to use around the house, both for its green credentials and the way it looks and feels. That said, as a natural product there are 
![image](https://hackaday.com/wp-content/uploads/2025/08/SnapmakerS1-feat.png?w=800")
alt="A preproduction U1 sitting on a workbench"/>Modern multi-material printers certainly have their advantages, but all that purging has a way to add up to oodles of waste. Tool-changing printers offer a way to do multi-material prints 
![image](https://hackaday.com/wp-content/uploads/2025/08/Probe_tip_and_hypodermic.png?w=618")
alt=""/>3D printing has transformed how hobbyists fabricate things, but what additional doors would open if we could go even smaller? The µRepRap (RepRapMicron) project aims to bring fabrication at the 
![image](https://hackaday.com/wp-content/uploads/2025/08/rf-jammer-featred.jpg?w=800")
alt=""/>Back in the day, an FM bug was a handy way to make someone’s annoying radio go away, particularly if it could be induced to feedback. But these days you’re 
![image](https://hackaday.com/wp-content/uploads/2025/08/HydrogenFuelCell.jpg?w=800")
alt=""/>Given all the incredible technology developed or improved during the Apollo program, it’s impossible to pick out just one piece of hardware that made humanity’s first crewed landing on another 
![image](https://hackaday.com/wp-content/uploads/2025/08/thermal-receipt-printer-clear-jar-e1754317880120.png?w=800")
alt=""/>No, of course not. Per Betteridge’s law, that’s the answer to any headline with a question mark. On the other hand, while a thermal printer might not cure ADHD, it 
![image](https://hackaday.com/wp-content/uploads/2025/07/No-Rotary-Engraving-Hack-for-Tumbler-Wraps-on-xTool-F1-Laser-Engraver-15-33-screenshot-banner.png?w=800")
alt=""/>Laser-engraving a cylindrical object usually requires a rotary attachment, which is a motorized holder that rotates a cylindrical object in sync with the engraver. But [Samcraft] shows that engraving all 
![image](https://hackaday.com/wp-content/uploads/2025/07/Reachy-Mini.png?w=800")
alt=""/>Reachy Mini is a kit for a compact, open-source robot designed explicitly for AI experimentation and human interaction. The kit is available from Hugging Face, which is itself a repository 
![image](https://hackaday.com/wp-content/uploads/2025/07/Screenshot-2025-07-23-214059-e1753270875988.png?w=792")
alt=""/>Imagine, you’re tapping away at your keyboard, asking an AI to whip up some fresh code for a big project you’re working on. It’s been a few days now, you’ve 
![image](https://hackaday.com/wp-content/uploads/2025/07/pexels-tohid-hashemkhani-3935807-5870328.jpg?w=800")
alt=""/>So far in the “Field Guide” series, we’ve mainly looked at critical infrastructure systems that, while often blending into the scenery, are easily observable once you know where to look. 
![image](https://hackaday.com/wp-content/uploads/2025/07/Screenshot-2025-07-12-173436.png?w=800")
alt=""/>If you are looking for the perfect instrument to start a biological horror show in our age of AI, you have come to the right place. Researchers at Johns Hopkins 
![image](https://hackaday.com/wp-content/uploads/2025/07/pipe.png?w=800")
alt=""/>There’s something ominous about robots taking over jobs that humans are suited to do. Maybe you don’t want a job turning a wrench or pushing a broom, but someone does. 