Site of Secret 1950s Cold War Iceworm Project Rediscovered
https://hackaday.com/2025/10/17/site-of-secret-1950s-cold-war-iceworm-project-rediscovered/
https://hackaday.com/2025/10/17/site-of-secret-1950s-cold-war-iceworm-project-rediscovered/
Hackaday
Site Of Secret 1950s Cold War Iceworm Project Rediscovered
The overall theme of the early part of the Cold War was that of subterfuge — with scientific missions often providing excellent cover for placing missiles right on the USSR’s doorstep. …
This Week in Security: F5, SonicWall, and the End of Windows 10
https://hackaday.com/2025/10/17/this-week-in-security-f5-sonicwall-and-the-end-of-windows-10/
https://hackaday.com/2025/10/17/this-week-in-security-f5-sonicwall-and-the-end-of-windows-10/
Hackaday
This Week In Security: F5, SonicWall, And The End Of Windows 10
F5 is unintentionally dabbling in releasing the source code behind their BIG-IP networking gear, announcing this week that an unknown threat actor had access to their internal vulnerability and cod…
DIY Telescope Uses Maker Tools
https://hackaday.com/2025/10/17/diy-telescope-uses-maker-tools/
https://hackaday.com/2025/10/17/diy-telescope-uses-maker-tools/
Hackaday
DIY Telescope Uses Maker Tools
You’ve got a laser cutter. You’ve got a 3D printer. What do you make? [Ayushmaan45] suggests a telescope. The modest instrument isn’t going to do serious astronomy with only 8X wo…
Hackaday Podcast Episode 342: Poopless Prints, Radio in Your Fillings, and One Hyperspectral Pixel at a Time
https://hackaday.com/2025/10/17/hackaday-podcast-episode-342-poopless-prints-radio-in-your-fillings-and-one-hyperspectral-pixel-at-a-time/
https://hackaday.com/2025/10/17/hackaday-podcast-episode-342-poopless-prints-radio-in-your-fillings-and-one-hyperspectral-pixel-at-a-time/
Hackaday
Hackaday Podcast Episode 342: Poopless Prints, Radio In Your Fillings, And One Hyperspectral Pixel At A Time
It was Elliot and Dan on the podcast today, taking a look at the best the week had to offer in terms of your hacks. We started with surprising news about the rapidly approaching Supercon keynote; n…
2025 Component Abuse Challenge: Boosting Voltage With Just a Wire
https://hackaday.com/2025/10/17/2025-component-abuse-challenge-boosting-voltage-with-just-a-wire/
https://hackaday.com/2025/10/17/2025-component-abuse-challenge-boosting-voltage-with-just-a-wire/
Hackaday
2025 Component Abuse Challenge: Boosting Voltage With Just A Wire
Switching power supplies are familiar to Hackaday readers, whether they have a fairly conventional transformer, are a buck, a boost, or a flyback design. There’s nearly always an inductor inv…
F/0.38 Camera Lens Made With Oil Immersion Microscope Objective
https://hackaday.com/2025/10/17/f-0-38-camera-lens-made-with-oil-immersion-microscope-objective/
https://hackaday.com/2025/10/17/f-0-38-camera-lens-made-with-oil-immersion-microscope-objective/
Hackaday
F/0.38 Camera Lens Made With Oil Immersion Microscope Objective
Over on YouTube [Applied Science] shows us how to make an f/0.38 camera lens using an oil immersion microscope objective. The f-number of a lens indicates how well it will perform in low-light. To …
Radio Astronomy in the Palm of Your Hand
https://hackaday.com/2025/10/17/radio-astronomy-in-the-palm-of-your-hand/
https://hackaday.com/2025/10/17/radio-astronomy-in-the-palm-of-your-hand/
Hackaday
Radio Astronomy In The Palm Of Your Hand
When you think of a radio telescope, you usually think of a giant dish antenna pointing skyward. But [vhuvanmakes] built Wavy-Scope, a handheld radio telescope that can find the Sun and the Moon, a…
A New Way to Make (Almost) Holograms with Lasers
https://hackaday.com/2025/10/17/a-new-way-to-make-almost-holograms-with-lasers/
https://hackaday.com/2025/10/17/a-new-way-to-make-almost-holograms-with-lasers/
Hackaday
A New Way To Make (Almost) Holograms With Lasers
The spectrum of laser technologies available to hackers has gradually widened from basic gas lasers through CO2 tubes, diode lasers, and now fiber lasers. One of the newer entries is the MOPA laser…
Channel Surfing Nostalgia Machine
https://hackaday.com/2025/10/17/channel-surfing-nostalgia-machine/
https://hackaday.com/2025/10/17/channel-surfing-nostalgia-machine/
Hackaday
Channel Surfing Nostalgia Machine
As any generation of people get older, they tend to look back fondly on their formative years when there was less responsibility and more wonder. Even if things have objectively improved, we often …
Hacking a Banned Chinese Security Camera
https://hackaday.com/2025/10/18/hacking-a-banned-chinese-security-camera/
https://hackaday.com/2025/10/18/hacking-a-banned-chinese-security-camera/
Hackaday
Hacking A Banned Chinese Security Camera
Over on YouTube [Matt Brown] hacks a Chinese security camera recently banned by the US government. If you didn’t hear about this you can find out more over here: Major US online retailers rem…
A Solar Oven for Cloudy Days
https://hackaday.com/2025/10/18/a-solar-oven-for-cloudy-days/
https://hackaday.com/2025/10/18/a-solar-oven-for-cloudy-days/
Hackaday
A Solar Oven For Cloudy Days
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, summer days, you can ba…
Precision, Imprecision, Intellectual Honesty, and Little Green Men
https://hackaday.com/2025/10/18/precision-imprecision-intellectual-honesty-and-little-green-men/
https://hackaday.com/2025/10/18/precision-imprecision-intellectual-honesty-and-little-green-men/
Hackaday
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 into our solar system,…
Broken Phone To Cinema Camera With A Lens Upgrade
https://hackaday.com/2025/10/18/broken-phone-to-cinema-camera-with-a-lens-upgrade/
https://hackaday.com/2025/10/18/broken-phone-to-cinema-camera-with-a-lens-upgrade/
Hackaday
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 have improved, deliveri…
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/
https://hackaday.com/2025/10/18/bit-banged-100-mbit-s-ethernet-transmission-on-raspberry-pi-pico/
Hackaday
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 RP204…
A Toolchanging Inverse SCARA 3D Printer
https://hackaday.com/2025/10/18/a-toolchanging-inverse-scara-3d-printer/
https://hackaday.com/2025/10/18/a-toolchanging-inverse-scara-3d-printer/
Hackaday
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 the best way to describe it …
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/
https://hackaday.com/2025/10/18/2025-component-abuse-challenge-a-self-charging-led-flasher-by-burkhard-kainka/
Hackaday
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 …
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://hackaday.com/2025/10/18/was-the-napier-nomad-the-most-complex-aero-engine-ever-made/
Hackaday
Was The Napier Nomad The Most Complex Aero Engine Ever Made?
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 Nomad. The post-Wo…
JLCPCB Locking Accounts, Mentions “Risky IP Addresses, Activities”
https://hackaday.com/2025/10/19/jlcpcb-locking-accounts-mentions-risky-ip-addresses-activities/
https://hackaday.com/2025/10/19/jlcpcb-locking-accounts-mentions-risky-ip-addresses-activities/
Hackaday
JLCPCB Locking Accounts, Mentions “Risky IP Addresses, Activities”
In the past week, a few forum and Reddit threads have popped up, with people stating that JLCPCB has emailed them with a notice, saying their accounts are set up for terminations after an assessmen…
Decoding a 350 Year Old Coded Message
https://hackaday.com/2025/10/19/decoding-a-350-year-old-coded-message/
https://hackaday.com/2025/10/19/decoding-a-350-year-old-coded-message/
Hackaday
Decoding A 350 Year Old Coded Message
Usually, a story about hacking a coded message will have some computer element or, at least, a machine like an Enigma. But [Ruth Selman] recently posted a challenge asking if anyone could decrypt a…
Filming at the Speed of Light, About One Foot per Nanosecond
https://hackaday.com/2025/10/19/filming-at-the-speed-of-light-about-one-foot-per-nanosecond/
https://hackaday.com/2025/10/19/filming-at-the-speed-of-light-about-one-foot-per-nanosecond/
Hackaday
Filming At The Speed Of Light, About One Foot Per Nanosecond
[Brian Haidet] published on his AlphaPhoenix channel a laser beam recorded at 2 billion frames per second. Well, sort of. The catch? It’s only a one pixel by one pixel video, but he repeats i…
The MSL10 Mechanosensor Makes Venus Flytrap Plants Touchy
https://hackaday.com/2025/10/19/the-msl10-mechanosensor-makes-venus-flytrap-plants-touchy/
https://hackaday.com/2025/10/19/the-msl10-mechanosensor-makes-venus-flytrap-plants-touchy/
Hackaday
The MSL10 Mechanosensor Makes Venus Flytrap Plants Touchy
Carnivorous plants are a fascinating part of the natural world, especially species like the Venus flytrap (Dionaea muscipula) that rely on what is effectively a spring-loaded trap to ensnare unsusp…