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FLOSS Weekly Episode 870: Open Source Gardening

This week Jonathan chats with Alexander Neumann about Restic, a particularly compelling backup and restore solution written in Go. Why did the world need one more backup program? And what’s …read more

Questions Remain About Tense Moment Aboard ISS

Even if you’re not normally interested in what’s happening in low Earth orbit, you probably heard that last week NASA ordered its personnel aboard the International Space Station to button …read more

The Winners of the 2025 Obfuscated C Code Contest

One of the most exciting challenges available to any software developer is that of writing brilliantly working code that’s so obtuse, so indecipherable, and opaque, that even its own author …read more

The Secret Wattcycle LFP Battery Downgrade

After recently reviewing a Wattcycle LFP battery sent over by the manufacturer, [Will Prowse] was made aware of some disturbing changes to the internals of batteries received by regular customers. …read more

Deep Dive into Sputnik

If you are an American of a certain age, you know the Soviet Union launched the first satellite, Sputnik, beating the United States to orbit. You might even remember ham …read more

Print Your Own Robby the Robot

When it comes to robots, few are as iconic as Robby. [Ogrinz Labs] has wanted to build one and even examined a real one up for auction to get high-res …read more

Optimizing Pancakes from Chemical Principles

Although parents and teachers like to point out the deep link between cooking and chemistry, most people don’t deliberately apply any chemical principles beyond acid/base reactions to their recipes. Not …read more

Spy Tech: The GPS Numbers Station

We’ve talked before about number stations — mysterious shortwave transmitters repeating numbers, presumably for clandestine purposes. But, of course, the mere fact that they are unusual makes them stand out. …read more

Goddard the Robot Dog Brought to Life

There’s not much more nostalgic for many than good ole’ Jimmy Neutron. This was true for [Kiara], who saw the gorgeous pupper Goddard and wanted him for herself. Of course, …read more

Fixing the Failure of the Reevo

There are a lot of traditional features of a bike that rarely change. The spokes, the chain, and the inability for it to take off like a rocket, to mention …read more

Desalinating Seawater With Solar and No Brine

Although desalination is very commonly used these days to convert seawater into fresh water, one of the major disadvantages of current approaches is that commercial desalination plants produce a lot …read more

Hackaday Links: June 7, 2026

Christopher Nolan’s The Odyssey isn’t hitting theaters for another month or so, but if you’re already planning your trip to the cineplex, you may want to check out this page …read more

How Small Can You Make A C Executable?

It’s well known that the difference in executable size between a compiled binary and one hand-written in optimized assembler will be significant. The compiler brings in all manner of boilerplate …read more

LIPS is an Open Source Sip-And-Puff Interface

Lots of us have– thanks to repetative stress injuries– developed mobility issues that we have to work around when using computers. Maybe it’s a trackball instead of a mouse, or …read more

A New Life For a Rare Console

One of the delights of our tips line is that from time to time it brings us retrocomputing hardware that, despite years of reporting, we were not aware existed. [Hitmanmcc] …read more

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