When you think of wartime cryptography, you probably think of World War II and Enigma, although there were other famous codes used during that war. But in fact, there have …read more (https://hackaday.com/2026/09/20/world-war-i-coded-message-appears-cracked-finally/)

Ski Lift Removes Mice from Chicken Coop
https://hackaday.com/2026/09/20/ski-lift-removes-mice-from-chicken-coop/

Getting rid of rodents like squirrels, mice, or groundhogs is a lot like digging a hole on the beach. No matter how much you remove, it’ll always fill back in. …read more (https://hackaday.com/2026/09/20/ski-lift-removes-mice-from-chicken-coop/)

Reviving TEMPEST Attacks with an Injected Signal
https://hackaday.com/2026/09/20/reviving-tempest-attacks-with-an-injected-signal/

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/