Defeating Bacteria In Hot Water Systems With A Heat Exchanger

The average hot water is a relatively simple appliance to understand. It uses gas or electricity to dump energy into water in the form of heat, keeping it at a …read more

What’s Mu Metal?

If you tear into old TVs or recording equipment, you may see shields made from some exotic-looking metal. Old timers will tell you it’s called mu metal, and its purpose …read more

This Week In Security: Android Malware, VOIP Hijack, Signal Contact Discovery, And TeamPCP Arrests

On GitHub, [AyaanB] details buying a cheap Android TV streaming device, looking for, and finding, baked-in malware. Multiple warnings have been issued by the FBI and CISA regarding malware on …read more

Australia’s Nationwide Phone Outage Was An Embarrassing Failure

The phones! They were one of the basic utilities of the 20th century, and were just about as reliable as death and taxes. Even when then power grid went down, …read more

FLOSS Weekly Episode 879: Easy Like Butter

This week Jonathan chats with Nathan Freitas of the Guardian Project! What is going on at the forefront of Open Source and privacy advocacy? Where are we on a true …read more

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Rescuing A Rescue Device With A DIY Battery Pack

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By Tom Nardi | September 3, 2026

If you find yourself lost in the woods or adrift in the ocean, a GPS-enabled Personal Locator Beacon (PLB) is certainly a handy thing to have as it will pinpoint …read more
Miniaturized, Working Replica Of Vintage Leslie Speaker

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By Bryan Cockfield | September 3, 2026

Few pieces of vintage audio gear from the turn of the century (the previous one) inspire the kind of devotion that a Leslie speaker does. Sure, there are plenty of …read more
Switch Mod Fixes Fiddly Car Door Projector

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By Tom Nardi | September 2, 2026

While the Citroën logo they project onto the pavement looks great, [OrangeTungsten] wasn’t thrilled with how their door-mounted projectors actually functioned. The mechanism for detecting when they should kick on …read more
Has FDM 3D Printing Hit Its Peak?

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By Jenny List | September 2, 2026

Over the time Hackaday has been in existence, the art of 3D printing has evolved from a relatively crude hit-and-miss affair to something approaching what we all imagined back then. …read more
Doubling Thermal Printer Resolution By Wiggling

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By Maya Posch | September 2, 2026

Thermal printers are still extremely common today, using small heating elements in combination with temperature-sensitive paper to create a dot matrix-like effect without messing with ink ribbons and complex mechanisms. …read more
Harvesting Namib Desert Fog With High Voltage

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By Maya Posch | September 2, 2026

As fun as mucking about with simulated environments in a laboratory is, at some point you have to do those field tests to demonstrate that your prototype actually works in …read more
FLOSS Weekly Episode 880: The Two Wolves

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By Jonathan Bennett | September 2, 2026

This week Jonathan chats with Benjamin Samuels of Trail of Bits! The conversation focuses on Patch the Planet, a new initiative to help Open Source projects deal with the fallout …read more

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Defeating Bacteria In Hot Water Systems With A Heat Exchanger

What’s Mu Metal?

This Week In Security: Android Malware, VOIP Hijack, Signal Contact Discovery, And TeamPCP Arrests

Australia’s Nationwide Phone Outage Was An Embarrassing Failure

FLOSS Weekly Episode 879: Easy Like Butter

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“I’m Not Dead Yet!” Reverse Polish Notation Calculators You Can Still Buy

Hackaday Europe 2026: Playstation 4 To Psychometer

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Australia’s Nationwide Phone Outage Was An Embarrassing Failure

Hackaday Europe 2026: PCBs With A Plot

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FLOSS Weekly Episode 880: The Two Wolves

PETG: The PLA Filament Alternative That Just Works

Defeating Bacteria In Hot Water Systems With A Heat Exchanger

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Defeating Bacteria In Hot Water Systems With A Heat Exchanger

What’s Mu Metal?

This Week In Security: Android Malware, VOIP Hijack, Signal Contact Discovery, And TeamPCP Arrests

Australia’s Nationwide Phone Outage Was An Embarrassing Failure

FLOSS Weekly Episode 879: Easy Like Butter

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