Small cylindrical parts are often formed through deep drawing — a process by which a punch forms the finished piece from a flat sheet of metal using a forming die. …read more (https://hackaday.com/2025/03/09/deep-drawing-with-ultrasonics/)

Hackaday Links: March 9, 2025
https://hackaday.com/2025/03/09/hackaday-links-march-9-2025/

It’s been a busy week in space news, and very little of it was good. We’ll start with the one winner of the week, Firefly’s Blue Ghost Mission 1, which …read more (https://hackaday.com/2025/03/09/hackaday-links-march-9-2025/)

Clock Mechanism Goes Crazy for Arduino
https://hackaday.com/2025/03/09/clock-mechanism-goes-crazy-for-arduino/

You’ve doubtless seen those ubiquitous clock modules, especially when setting clocks for daylight savings time. You know the ones: a single AA battery, a wheel to set the time, and …read more (https://hackaday.com/2025/03/09/clock-mechanism-goes-crazy-for-arduino/)

IPV4, IPV6… Hey! What Happened to IPV5?
https://hackaday.com/2025/03/09/ipv4-ipv6-hey-what-happened-to-ipv5/

If you’ve ever been configuring a router or other network device and noticed that you can set up IPv4 and IPv6, you might have wondered what happened to IPv5. Well, …read more (https://hackaday.com/2025/03/09/ipv4-ipv6-hey-what-happened-to-ipv5/)

ZX Spectrum, Soviet Style: A 44-IC Clone You Can Build
https://hackaday.com/2025/03/10/zx-spectrum-soviet-style-a-44-ic-clone-you-can-build/

If you’ve ever fancied building a ZX Spectrum clone without hunting down ancient ULAs or soldering your way through 60+ chips, [Alex J. Lowry] has just dropped an exciting build. …read more (https://hackaday.com/2025/03/10/zx-spectrum-soviet-style-a-44-ic-clone-you-can-build/)

You Are Already Traveling at the Speed of Light
https://hackaday.com/2025/03/10/you-are-already-traveling-at-the-speed-of-light/

Science fiction authors and readers dream of travelling at the speed of light, but Einstein tells us we can’t. You might think that’s an arbitrary rule, but [FloatHeadPhysics] shows a …read more (https://hackaday.com/2025/03/10/you-are-already-traveling-at-the-speed-of-light/)

Inexpensive Repairable Laptops, With Apple Style
https://hackaday.com/2025/03/10/inexpensive-repairable-laptops-with-apple-style/

Despite a general lack of real-world experience, many teenagers are overly confident in their opinions, often to the point of brashness and arrogance. In the late 90s and early 00s …read more (https://hackaday.com/2025/03/10/inexpensive-repairable-laptops-with-apple-style/)

The ESP32 Bluetooth Backdoor That Wasn’t
https://hackaday.com/2025/03/10/the-esp32-bluetooth-backdoor-that-wasnt/

Recently there was a panicked scrambling after the announcement by [Tarlogic] of a ‘backdoor’ found in Espressif’s popular ESP32 MCUs. Specifically a backdoor on  the Bluetooth side that would give …read more (https://hackaday.com/2025/03/10/the-esp32-bluetooth-backdoor-that-wasnt/)