Ask Hackaday: How Do You Digitize Your Documents?

Like many of you, I have a hard time getting rid of stuff. I’ve got boxes and boxes of weirdo bits and bobs, and piles of devices that I’ll eventually …read more

The Fancy Payment Cards Of Taiwan

If you’re an old-schooler, you might still go to the local bar and pay for a beer with cash. You could even try and pay with a cheque, though the …read more

The Amazing Maser

While it has become a word, laser used to be an acronym: “light amplification by stimulated emission of radiation”. But there is an even older technology called a maser, which …read more

Regrowing Teeth Might Not Be Science Fiction Anymore

The human body is remarkably good at handling repairs. Cut the skin, and the blood will clot over the wound and the healing process begins. Break a bone, and the …read more

Zombie Netscape Won’t Die

The very concept of the web browser began with a humble piece of software called NCSA Mosaic, all the way back in 1993. It was soon eclipsed by Netscape Navigator, …read more

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Practice Makes Perfect: The Wet Dress Rehearsal

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By Tom Nardi | February 12, 2026

If you’ve been even casually following NASA’s return to the Moon, you’re likely aware of the recent Wet Dress Rehearsal (WDR) for the Artemis II mission. You probably also heard …read more
Correlating Electric Cars With Better Air Quality

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By Maya Posch | February 12, 2026

Although at its face the results seem obvious, a recent study by [Sandrah Eckel] et al. on the impact of electric cars in California is interesting from a quantitative perspective. …read more
Making Effective, Affordable Water Level Monitors

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By Donald Papp | February 12, 2026

Water wells are simple things, but that doesn’t mean they are maintenance-free. It can be important to monitor water levels in a well, and that gets complicated when the well …read more
Making A Functional Control Panel Of The Chernobyl RBMK Reactor

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By Maya Posch | February 11, 2026

Control panels of a pre-digitalization nuclear plant look quite daunting, with countless dials, buttons and switches that all make perfect sense to a trained operator, but seem as random as …read more
Implementing 3D Graphics Basics

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By Bryan Cockfield | February 11, 2026

Plenty of our childhoods had at least one math teacher who made the (ultimately erroneous) claim that we needed to learn to do math because we wouldn’t always have a …read more
DIY Wall-Plotter Does Generative Art, But Not As We Know It

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By Donald Papp | February 11, 2026

[Teddy Warner]’s GPenT (Generative Pen-trained Transformer) project is a wall-mounted polargraph that makes plotter art, but there’s a whole lot more going on than one might think. This project was …read more
Thermoforming: Shaping Curvy Grilles With No Supports

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By Maya Posch | February 11, 2026

Although hobbyists these days most often seem to use thermoplastics as a print-and-done material in FDM printers, there’s absolutely nothing stopping you from taking things further with thermoforming. Much like …read more

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