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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Gaming On An Arduino Uno Q In Linux

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By Maya Posch | February 10, 2026

After Qualcomm’s purchase of Arduino it has left many wondering what market its new Uno Q board is trying to target. Taking the ongoing RAM-pocalypse as inspiration, [Bringus Studios] made …read more
IBM Made A Sound Card? Who Knew!

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By Jenny List | February 9, 2026

Even in a field you think you know intimately, the Internet still has the power to surprise. Sound cards of the 1990s might not be everyone’s specialist subject, but since …read more
Why Haven’t Quantum Computers Factored 21 Yet?

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By Maya Posch | February 9, 2026

If you are to believe the glossy marketing campaigns about ‘quantum computing’, then we are on the cusp of a computing revolution, yet back in the real world things look …read more
A Working Intercom From Antique Telephones

5 Comments
By Bryan Cockfield | February 9, 2026

Although it can be hard to imagine in today’s semiconductor-powered, digital world, there was electrical technology around before the widespread adoption of the transistor in the latter half of the …read more
Upcycling An IPad Into A Touchscreen Display For Your PC

3 Comments
By Maya Posch | February 9, 2026

Although generally iPads tend to keep their resale value, there are a few exceptions, such as when you find yourself burdened with iCloud-locked devices. Instead of tossing these out as …read more
Converting AC Irrigation Valves To DC Operation

19 Comments
By Lewin Day | February 9, 2026

Due to historical engineering decisions made many decades ago, a great many irrigation systems rely on solenoid valves that operate on 24 volts AC. This can be inconvenient if you’re …read more
Keebin’ With Kristina: The One With The Height-Adjustable Key Caps

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By Kristina Panos | February 9, 2026

Now, we can’t call these LEGO key caps for obvious reasons, but also because they don’t actually work with standard LEGO. But that’s just fine and dandy, because they’re height-adjustable …read more

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