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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Tech In Plain Sight: Projection Clocks

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By Al Williams | February 23, 2026

You wake up in the middle of the night. Is it time to get up? Well, you can look at the nightstand clock. Unless your partner is in the way. …read more
Nuclear Waste Remediation By Proton Beam

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By Al Williams | February 23, 2026

One of the issues with nuclear power plants is that they produce long-lived radioactive waste. Storing spent nuclear fuel is a real problem. However, researchers at the Department of Energy’s …read more
How Safe Are Old Airbags, Anyway?

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By Lewin Day | February 23, 2026

Automotive airbags are key safety devices that aim to reduce injuries and mortality in the event of motor vehicle accidents. These rapidly-inflating cushions act to soften the blow of an …read more
Calculus By Oscilloscope

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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

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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

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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

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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

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Retrotechtacular: Mr. Wizard Jams With IBM

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How Safe Are Old Airbags, Anyway?

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Tech In Plain Sight: Projection Clocks

Hackaday Links: February 22, 2026

In Praise Of The Proof Of Concept

Hackaday Podcast Episode Ep 358: Soft Displays, LCD Apertures, And Mind Controlled Toys

The History Of The View-Master

In Praise Of The Proof Of Concept

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

The Requirements Of AI

Ancient Ice Production

Retrotechtacular: Mr. Wizard Jams With IBM

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