Every Boy Scout or Girl Guide probably had the experience of building a simple solar oven: an insulated box, some aluminum foil, and plastic wrap, and voila! On warm, sunny, …read more (https://hackaday.com/2025/10/18/a-solar-oven-for-cloudy-days/)

Precision, Imprecision, Intellectual Honesty, and Little Green Men
https://hackaday.com/2025/10/18/precision-imprecision-intellectual-honesty-and-little-green-men/

If you’ve been following the hubbub about 3I/ATLAS, you’re probably either in the camp that thinks it’s just a comet from ridiculously far away that’s managed to find its way …read more (https://hackaday.com/2025/10/18/precision-imprecision-intellectual-honesty-and-little-green-men/)

Broken Phone To Cinema Camera With A Lens Upgrade
https://hackaday.com/2025/10/18/broken-phone-to-cinema-camera-with-a-lens-upgrade/

The advent of the mobile phone camera has caused a revolution in film making over the last couple of decades, lowering the barrier to entry significantly, and as the cameras …read more (https://hackaday.com/2025/10/18/broken-phone-to-cinema-camera-with-a-lens-upgrade/)

Bit-banged 100 MBit/s Ethernet Transmission on Raspberry Pi Pico
https://hackaday.com/2025/10/18/bit-banged-100-mbit-s-ethernet-transmission-on-raspberry-pi-pico/

The Raspberry Pi Pico is a very capable board, but it’s still a surprise to see bit-banged 100 MBit/s Fast Ethernet implemented on one. [Steve]’s Pico-100BASE-TX library allows an RP2040 …read more (https://hackaday.com/2025/10/18/bit-banged-100-mbit-s-ethernet-transmission-on-raspberry-pi-pico/)

A Toolchanging Inverse SCARA 3D Printer
https://hackaday.com/2025/10/18/a-toolchanging-inverse-scara-3d-printer/

There are some times when a picture, or better yet a video, really is worth a thousand words, and [heinz]’s dual-disk polar 3D printer is one of those projects. Perhaps …read more (https://hackaday.com/2025/10/18/a-toolchanging-inverse-scara-3d-printer/)

2025 Component Abuse Challenge: A Self-Charging LED Flasher By Burkhard Kainka
https://hackaday.com/2025/10/18/2025-component-abuse-challenge-a-self-charging-led-flasher-by-burkhard-kainka/

[Tito] entered a Self-Charging LED Flasher into the Component Abuse Challenge. It’s a simple re-build of a design by the unstoppable [Burkhard Kainka], and while [Tito] doesn’t explain its workings …read more (https://hackaday.com/2025/10/18/2025-component-abuse-challenge-a-self-charging-led-flasher-by-burkhard-kainka/)

Was The Napier Nomad The Most Complex Aero Engine Ever Made?
https://hackaday.com/2025/10/18/was-the-napier-nomad-the-most-complex-aero-engine-ever-made/

https://www.youtube.com/watch?v=J7Sdb022Vsk
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/10/Screenshot-2025-10-17-101403-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/10/Screenshot-2025-10-17-101403-featured.png?w=800">From 1945 to 1955, a British aeronautical company called Napier & Son produced not just one but two versions of an intricate hybrid piston engine, which they named the Napier …read more (https://hackaday.com/2025/10/18/was-the-napier-nomad-the-most-complex-aero-engine-ever-made/)

JLCPCB Locking Accounts, Mentions “Risky IP Addresses, Activities”
https://hackaday.com/2025/10/19/jlcpcb-locking-accounts-mentions-risky-ip-addresses-activities/