Normally, videos over at The Signal Path channel on YouTube have a certain vibe, namely teardowns and deep dives into high-end test equipment for the microwave realm. And while we …read more (https://hackaday.com/2025/04/09/making-liquid-oxygen-far-from-easy-but-worth-the-effort/)

Everyone’s Talking GPMI, Should you?
https://hackaday.com/2025/04/10/everyones-talking-gpmi-should-you/

The tech press has been full of announcements over the last day or two regarding GPMI. It’s a new standard with the backing of a range of Chinese hardware companies, …read more (https://hackaday.com/2025/04/10/everyones-talking-gpmi-should-you/)

Clever Engineering Leaves Appliance Useless
https://hackaday.com/2025/04/10/clever-engineering-leaves-appliance-useless/

Around these parts, we generally celebrate clever hacks that let you do more with less. So if somebody wrote in to tell us how they used multiplexing to drive the …read more (https://hackaday.com/2025/04/10/clever-engineering-leaves-appliance-useless/)

Ask Hackaday: What’s a Sun-Like Star?
https://hackaday.com/2025/04/10/ask-hackaday-whats-a-sun-like-star/

Is a bicycle like a motorcycle? Of course, the answer is it is and it isn’t. Saying something is “like” something else presupposes a lot of hidden assumptions. In the …read more (https://hackaday.com/2025/04/10/ask-hackaday-whats-a-sun-like-star/)

Improving Magnetoplasmadynamic Ion Thrusters With Superconductors
https://hackaday.com/2025/04/10/improving-magnetoplasmadynamic-ion-thrusters-with-superconductors/

Ion thrusters are an amazing spacecraft propulsion technology, providing very high efficiency with relatively little fuel. Yet getting one to produce more thrust than that required to lift a sheet …read more (https://hackaday.com/2025/04/10/improving-magnetoplasmadynamic-ion-thrusters-with-superconductors/)

A New Mechanical Keyboard for an Old Computer
https://hackaday.com/2025/04/10/a-new-mechanical-keyboard-for-an-old-computer/

As computers age, a dedicated few work towards keeping some of the more interesting ones running. This is often a losing battle of sorts, as the relentless march of time …read more (https://hackaday.com/2025/04/10/a-new-mechanical-keyboard-for-an-old-computer/)

Windows on ARM on Arm
https://hackaday.com/2025/04/10/windows-on-arm-on-arm/

While some companies like Apple have gone all-in on the ARM architecture, others are more hesitant to dive into the deep end. For example, Microsoft remains heavily invested in the …read more (https://hackaday.com/2025/04/10/windows-on-arm-on-arm/)

Using Integer Addition to Approximate Float Multiplication
https://hackaday.com/2025/04/10/using-integer-addition-to-approximate-float-multiplication/

Once the domain of esoteric scientific and business computing, floating point calculations are now practically everywhere. From video games to large language models and kin, it would seem that a …read more (https://hackaday.com/2025/04/10/using-integer-addition-to-approximate-float-multiplication/)

Farewell Economy 7, a Casualty of the Long Wave Switch-Off
https://hackaday.com/2025/04/10/farewell-economy-7-a-casualty-of-the-long-wave-switch-off/