https://gabrielgambetta.com/zx-raytracer.html
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2024/01/Screenshot-from-2024-01-25-20-58-55-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/01/Screenshot-from-2024-01-25-20-58-55-featured.png?w=800">[Gabriel Gambetta] knows a few things about ray tracers, being the author of Tiny Raytracer, a raytracer written in just 912 bytes of JavaScript. As a long-time fellow sufferer of …read more (https://hackaday.com/2024/01/26/a-zx-spectrum-raytracer-in-basic/)

Soldering Holder from Old Lamps
https://hackaday.com/2024/01/27/soldering-holder-from-old-lamps/

One of the neat things about 3D printing is that you can create custom parts to fit salvage to use in projects. For example, [Willyrags05] took a lamp — looks …read more (https://hackaday.com/2024/01/27/soldering-holder-from-old-lamps/)

A Hydroelectric Dam, Built Out of LEGO
https://hackaday.com/2024/01/27/a-hydroelectric-dam-built-out-of-lego/

Hydroelectric dams are usually major infrastructure projects that costs tens of millions of dollars to construct. But they don’t have to be — you can build your own at home, …read more (https://hackaday.com/2024/01/27/a-hydroelectric-dam-built-out-of-lego/)

In Praise of “Simple” Projects
https://hackaday.com/2024/01/27/in-praise-of-simple-projects/

When I start off on a “simple” project, experience shows that it’s got about a 10% chance of actually remaining simple. Sometimes it’s because Plan A never works out the …read more (https://hackaday.com/2024/01/27/in-praise-of-simple-projects/)

A General-Purpose PID Controller
https://hackaday.com/2024/01/27/a-general-purpose-pid-controller/

For those new to fields like robotics or aerospace, it can seem at first glance that a problem like moving a robot arm or flying an RC airplane might be …read more (https://hackaday.com/2024/01/27/a-general-purpose-pid-controller/)

A Look at 3D Printed Professional LED Signage
https://hackaday.com/2024/01/27/a-look-at-3d-printed-professional-led-signage/

Customer perception is everything when you’re running a business, particularly in retail. High-quality signage can go a long way into creating a good impression in this respect. [king process] decided …read more (https://hackaday.com/2024/01/27/a-look-at-3d-printed-professional-led-signage/)

Ground-Effect Vehicle to Carry Passengers Around Hawaii
https://hackaday.com/2024/01/27/ground-effect-vehicle-to-carry-passengers-around-hawaii/

Although Hawaii used to have a ferry service to access the various islands in the archipelago, due to environmental and political issues, air travel is now the only way to …read more (https://hackaday.com/2024/01/27/ground-effect-vehicle-to-carry-passengers-around-hawaii/)