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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Converting AC Irrigation Valves To DC Operation

6 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

2 Comments
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
Living In The (LLM) Past

6 Comments
By Al Williams | February 9, 2026

In the early days of AI, a common example program was the hexapawn game. This extremely simplified version of a chess program learned to play with your help. When the …read more
Ask Hackaday: How Do You Detect Hidden Cameras?

15 Comments
By Al Williams | February 9, 2026

The BBC recently published an exposé revealing that some Chinese subscription sites charge for access to their network of hundreds of hidden cameras in hotel rooms. Of course, this is …read more
Lessons Learned After A Head-First Dive Into Hardware Manufacturing

10 Comments
By Maya Posch | February 9, 2026

Sometimes you just know that you have the best ever idea for a hardware product, to the point that you’re willing to quit your job and make said product a …read more
A New And Strangely Strong Kind Of Plastic

7 Comments
By Aaron Beckendorf | February 9, 2026

As anyone who extrudes plastic noodles knows, the glass transition temperature of a material is a bit misleading; polymers gradually transition between a glass and a liquid across a range …read more
Pendulum Powered Battery

14 Comments
By Ian Bos | February 8, 2026

While the average person would use a standard charger to top off their phone, [Tom Stanton] is no average man. Instead, he put mind to matter with an entire pendulum …read more

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Keebin’ With Kristina: The One With The Height-Adjustable Key Caps

Hackaday Links: February 8, 2026

Hackaday Podcast Episode 356: Nanoprinting, Vibe Coding, And Keebin’ With Kristina, IN HELL!

The Weird Propeller That Offers Improved Agility On The Water

Big Heat Pumps Are Doing Big Things

Ask Hackaday: How Do You Digitize Your Documents?

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Regrowing Teeth Might Not Be Science Fiction Anymore

Zombie Netscape Won’t Die

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