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How Hydraulic Ram Pumps Push Water Uphill With No External Power Input

Imagine you have a natural stream running through a low-lying area on your farm. It’s a great source of fresh water, only you really need it to irrigate some crops …read more

On 3D Scanners And Giving Kinects A New Purpose In Life

The concept of a 3D scanner can seem rather simple in theory: simply point a camera at the physical object you wish to scan in, rotate around the object to …read more

FLOSS Weekly Episode 849: Veilid: Be A Brick

This week Jonathan talks with Brandon and TC about Veilid, the peer-to-peer networking framework that takes inspiration from Tor, and VeilidChat, the encrypted messenger built on top of it. What …read more

Lost Techniques: Bond-out CPUs And In Circuit Emulation

These days, we take it for granted that you can connect a cheap piece of hardware to a microcontroller and have an amazing debugging experience. Stop the program. Examine memory …read more

The Hottest Spark Plugs Were Actually Radioactive

In the middle of the 20th century, the atom was all the rage. Radiation was the shiny new solution to everything while being similarly poorly understood by the general public …read more

From The Blog

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  • Pulling A High Vacuum With Boiling Mercury

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    By Aaron Beckendorf | October 3, 2025

    If you need to create a high vacuum, there are basically two options: turbomolecular pumps and diffusion pumps. Turbomolecular pumps require rotors spinning at many thousands of rotations per minute …read more

  • Hackaday Podcast Episode 340: The Best Programming Language, Space Surgery, And Hacking Two 3D Printers Into One

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    By Al Williams | October 3, 2025

    Elliot Williams and Al Williams got together to share their favorite hacks of the week with you. If you listen in, you’ll hear exciting news about the upcoming SuperCon and …read more

  • A Treasure Trove Of Random Vintage Tech Resources

    1 Comment

    By Lewin Day | October 3, 2025

    Finding, collecting, and restoring vintage tech is the rewarding pastime of many a Hackaday reader. Working with old-school gear can be tough, though, when documentation or supporting resources are hard …read more

  • This Week In Security: CVSS 0, Chwoot, And Not In The Threat Model

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    By Jonathan Bennett | October 3, 2025

    This week a reader sent me a story about a CVE in Notepad++, and something isn’t quite right. The story is a DLL hijack, a technique where a legitimate program’s …read more

  • Giant Airplane Goes Long On Specialization

    39 Comments

    By Tyler August | October 3, 2025

    While not everyone agrees on the installation of wind turbines in their proverbial back yards, one thing not up for debate is that there is a drive to build them …read more

  • Air Quality Monitor Plays Game Of Life

    5 Comments

    By Lewin Day | October 3, 2025

    The problem with air quality is that you can’t really tell how good or bad it is just by looking…unless it’s really bad, that is. It’s usually more helpful to …read more

  • Yes, Gemini, A Wii Server Is Possible

    10 Comments

    By Tyler August | October 2, 2025

    When [Reit Tech] needed something to do with an old Nintendo Wii, he turned to Google. When the AI overview told him it could not be used as a server, …read more

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  • On 3D Scanners And Giving Kinects A New Purpose In Life

    12 Comments
  • The Hottest Spark Plugs Were Actually Radioactive

    40 Comments
  • A Cut Above: Surgery In Space, Now And In The Future

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  • Two Decades Of Hackaday In Words

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  • Spy Tech: The NRO And Apollo 11

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  • Hackaday Podcast Episode 340: The Best Programming Language, Space Surgery, And Hacking Two 3D Printers Into One

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  • This Week In Security: CVSS 0, Chwoot, And Not In The Threat Model

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  • How Hydraulic Ram Pumps Push Water Uphill With No External Power Input

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  • FLOSS Weekly Episode 849: Veilid: Be A Brick

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  • Lost Techniques: Bond-out CPUs And In Circuit Emulation

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  • On 3D Scanners And Giving Kinects A New Purpose In Life

    12 Comments
  • The Hottest Spark Plugs Were Actually Radioactive

    40 Comments
  • A Cut Above: Surgery In Space, Now And In The Future

    3 Comments
  • Two Decades Of Hackaday In Words

    23 Comments
  • Spy Tech: The NRO And Apollo 11

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  • Hackaday Podcast Episode 340: The Best Programming Language, Space Surgery, And Hacking Two 3D Printers Into One

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  • This Week In Security: CVSS 0, Chwoot, And Not In The Threat Model

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  • How Hydraulic Ram Pumps Push Water Uphill With No External Power Input

    20 Comments
  • FLOSS Weekly Episode 849: Veilid: Be A Brick

    No comments
  • Lost Techniques: Bond-out CPUs And In Circuit Emulation

    16 Comments
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