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/)

Conservationists Are Flying Microlites To Teach Birds How To Migrate
https://hackaday.com/2025/03/10/conservationists-are-flying-microlites-to-teach-birds-how-to-migrate/

A microlight aircraft with a flock of Northern Bald Ibis following it
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/03/Migration-2023_Laura-Pahnke-4-1-scaled-1.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/03/Migration-2023_Laura-Pahnke-4-1-scaled-1.jpg?w=800">When it comes to what birds have and what humans don’t, your mind might first land on the ability to fly. However, birds are also pretty good at navigating from …read more (https://hackaday.com/2025/03/10/conservationists-are-flying-microlites-to-teach-birds-how-to-migrate/)

Freeing Windows
https://hackaday.com/2025/03/10/freeing-windows/

There have been several attempts to make an unencumbered version of Windows. ReactOS is perhaps the best-known, although you could argue Wine and its progeny, while not operating systems in …read more (https://hackaday.com/2025/03/10/freeing-windows/)

Solar-Powered E-Reader With No Buttons
https://hackaday.com/2025/03/10/solar-powered-e-reader-with-no-buttons/