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/

If you paid attention to advertising in 1980s Britain, you were never far from Economy 7. It was the magic way to heat your house for less, using storage heaters …read more (https://hackaday.com/2025/04/10/farewell-economy-7-a-casualty-of-the-long-wave-switch-off/)

Brush Up on Your Trade Craft With This Tiny FM Bug
https://hackaday.com/2025/04/11/brush-up-on-your-trade-craft-with-this-tiny-fm-bug/

Would-be spooks and spies, take note: this one-transistor FM transmitter is a circuit you might want to keep in mind for your bugging needs. True, field agents aren’t likely to …read more (https://hackaday.com/2025/04/11/brush-up-on-your-trade-craft-with-this-tiny-fm-bug/)

The Jupiter Ace Remembered
https://hackaday.com/2025/04/11/the-jupiter-ace-remembered/

It is hard to imagine that it has been more than four decades since two of the original designers of the Sinclair ZX Spectrum broke off to market the Jupiter …read more (https://hackaday.com/2025/04/11/the-jupiter-ace-remembered/)

This Week in Security: AI Spam, SAP, and Ivanti
https://hackaday.com/2025/04/11/this-week-in-security-ai-spam-sap-and-ivanti/