TEMPEST attacks are often the most effective way to break air-gapped security: rather than directly accessing a computer, the attacker records the system’s unintended radio emissions and uses them to …read more (https://hackaday.com/2026/09/20/reviving-tempest-attacks-with-an-injected-signal/)

Hackaday Links: September 20, 2026
https://hackaday.com/2026/09/20/hackaday-links-september-20-2026/

Some sad news to start this week off — after 52 years in business, Sherline has announced they are winding down their manufacturing operations. By the end of October they …read more (https://hackaday.com/2026/09/20/hackaday-links-september-20-2026/)

Making a Copper-Oxide Photodetector from Scratch
https://hackaday.com/2026/09/20/making-a-copper-oxide-photodetector-from-scratch/

Photodetectors come in a wide variety of constructions and materials, with the Cu2O-based photodetector that [Mad Scientist Creations] demonstrates in a recent video being a good example of a photodetector …read more (https://hackaday.com/2026/09/20/making-a-copper-oxide-photodetector-from-scratch/)

Pedal Harder for Affordability
https://hackaday.com/2026/09/21/pedal-harder-for-affordability/

In the US, among other places, housing costs are skyrocketing. It can sometimes be difficult to get a feel for the scale of the issue and how it hits neighborhoods …read more (https://hackaday.com/2026/09/21/pedal-harder-for-affordability/)

Trying a New Radial Impeller Design for Quadcopters
https://hackaday.com/2026/09/21/trying-a-new-radial-impeller-design-for-quadcopters/

Even if the world has already settled on plain old propellers as the way to make quadcopter drones fly, this doesn’t mean that you cannot give other designs a shake …read more (https://hackaday.com/2026/09/21/trying-a-new-radial-impeller-design-for-quadcopters/)

The Mazda Suitcase Car Rides Again
https://hackaday.com/2026/09/21/the-mazda-suitcase-car-rides-again/

Once you arrive at your destination via plane, it can be a drag waiting for a rental car. Why not bring your own with a replica of the Mazda suitcase …read more (https://hackaday.com/2026/09/21/the-mazda-suitcase-car-rides-again/)

New Research Suggests that a Neutrino Laser is Impossible
https://hackaday.com/2026/09/21/new-research-suggests-that-a-neutrino-laser-is-impossible/

As cool as it would have been to wield lasers that produce a beam of neutrinos, recently two papers were published by MIT researchers that seem to dampen the likelihood …read more (https://hackaday.com/2026/09/21/new-research-suggests-that-a-neutrino-laser-is-impossible/)

A Computer Terminal the Old Way
https://hackaday.com/2026/09/21/a-computer-terminal-the-old-way/