In Praise Of The Proof Of Concept

Your project doesn’t necessarily have to be a refined masterpiece to have an impact on the global hacker hivemind. Case in point: this great demo of using a 64-point time-of-flight …read more

Ask Hackaday: Do You Have A Dead Man’s Switch?

During the Cold War, the specter of a nuclear “dead man’s switch” was central to the concept of Mutually Assured Destruction (MAD). In the event that one side was annihilated …read more

The Requirements Of AI

The media is full of breathless reports that AI can now code and human programmers are going to be put out to pasture. We aren’t convinced. In fact, we think …read more

Ancient Ice Production

Today, we take ice for granted. But having ice produced in your home is a relatively modern luxury. As early as 1750 BC, ancient people would find ice on mountains …read more

Retrotechtacular: Mr. Wizard Jams With IBM

You may not remember [Mr. Wizard], but he was a staple of nerd kids over a few decades, teaching science to kids via the magic of television. The Computer History …read more

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Calculus By Oscilloscope

1 Comment
By Al Williams | February 23, 2026

Even entry-level oscilloscopes today have simple math functions such as adding or subtracting two channels. But as [Arthur Pini] notes, more advanced scopes can now even do integration and differentiation. …read more
A Candle-Powered Light

6 Comments
By Bryan Cockfield | February 23, 2026

For a little over two thousand years, the primary light sources after the sun had set were oil lamps and candles. This was well before the age of fossil fuels, …read more
Running In Printf

5 Comments
By Al Williams | February 22, 2026

You may or may not know, but printf is a Turing-complete language, once you exploit all the strange and wonderful format characters in it (especially %n). But who has time …read more
Testing The Pressure Limits For Glass In Water Cooling Blocks

9 Comments
By Maya Posch | February 22, 2026

Many people who use water cooling in their computer systems like to go full-bore with ‘aquarium’ aesthetic, which includes adding a window to their cooling blocks so that they see …read more
Hackaday Links: February 22, 2026

2 Comments
By Tom Nardi | February 22, 2026

We’ll start things off this week with some breaking news from NASA: just days after the space agency announced the Artemis II crew was preparing to blast off towards the …read more
Meshtastic Does More Than Simple Communication

18 Comments
By Bryan Cockfield | February 22, 2026

Meshtastic has been experiencing a bit of a renaissance lately, as the off-grid, long-range radio text messaging protocol gains a ton of new users. It’s been used to create mesh …read more
What About The Droid Attack On The Repos?

20 Comments
By Tyler August | February 22, 2026

You might not have noticed, but we here at Hackaday are pretty big fans of Open Source — software, hardware, you name it. We’ve also spilled our fair share of …read more

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Retrotechtacular: Mr. Wizard Jams With IBM

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In Praise Of The Proof Of Concept

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In Praise Of The Proof Of Concept

Ask Hackaday: Do You Have A Dead Man’s Switch?

The Requirements Of AI

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Retrotechtacular: Mr. Wizard Jams With IBM

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