Should you spend some time around the less scientifically informed parts of the internet, it’s easy to find “Free power” stories. Usually they’re some form of perpetual motion machine flying …read more (https://hackaday.com/2025/11/12/2025-component-abuse-challenge-light-an-led-with-nothing/)

Cheap Multimeter Gets Webified
https://hackaday.com/2025/11/12/cheap-multimeter-gets-webified/

[Mellow Labs] wanted to grab a multimeter that could do Bluetooth. Those are cheap and plentiful, but the Bluetooth software was, unsurprisingly, somewhat lacking. A teardown shows a stock Bluetooth …read more (https://hackaday.com/2025/11/12/cheap-multimeter-gets-webified/)

There’s no Rust on this Ironclad Kernel
https://hackaday.com/2025/11/12/theres-no-rust-on-this-ironclad-kernel/

Rust is the new hotness in programming languages because of how solid its memory protections are. Race conditions and memory leaks are hardly new issues however, and as greybeards are …read more (https://hackaday.com/2025/11/12/theres-no-rust-on-this-ironclad-kernel/)

Installing an 84MB Hard Drive Into a PDP-11/44
https://hackaday.com/2025/11/12/installing-an-84mb-hard-drive-into-a-pdp-11-44/

Over on YouTube [Usagi Electric] shows us how he installed an 84MB hard drive into his PDP-11/44. In the beginning he purchased a bunch of RA70 and RA72 drives and …read more (https://hackaday.com/2025/11/12/installing-an-84mb-hard-drive-into-a-pdp-11-44/)

3D Printed Mail is a Modern Solution to an Ancient Problem
https://hackaday.com/2025/11/13/3d-printed-mail-is-a-modern-solution-to-an-ancient-problem/

The human body and sharp objects don’t get along very well, especially when they are being wielded with ill-intent. Since antiquity there have been various forms of armor designed to …read more (https://hackaday.com/2025/11/13/3d-printed-mail-is-a-modern-solution-to-an-ancient-problem/)