This Week in Security: National Backdoors, Web3 Backdoors, and Nearest Neighbor WiFi
https://hackaday.com/2024/12/06/this-week-in-security-national-backdoors-web3-backdoors-and-nearest-neighbor-wifi/

Maybe those backdoors weren’t such a great idea. Several US Telecom networks have been compromised by a foreign actor, likely China’s Salt Typhoon, and it looks like one of the …read more (https://hackaday.com/2024/12/06/this-week-in-security-national-backdoors-web3-backdoors-and-nearest-neighbor-wifi/)

The 6809 8-Bit Microcomputer: A Father-Son Odyssey
https://hackaday.com/2024/12/06/the-6809-8-bit-microcomputer-a-father-son-odyssey/

If you’re nostalgic for the golden age of microprocessors and dream of building your own computer, this story might spark your imagination. [Eric Lind], passionate retro enthusiast and his 14-year-old …read more (https://hackaday.com/2024/12/06/the-6809-8-bit-microcomputer-a-father-son-odyssey/)

Hackaday Podcast Episode 299: Beaming Consciousness, Understanding Holograms, and Dogfooding IPv6
https://hackaday.com/2024/12/06/hackaday-podcast-episode-299-beaming-consciousness-understanding-holograms-and-dogfooding-ipv6/

On this episode of the Hackaday Podcast, Editors Elliot Williams and Tom Nardi talk about the optical witchcraft behind holograms, the finer points of designing 3D printable threads, and the …read more (https://hackaday.com/2024/12/06/hackaday-podcast-episode-299-beaming-consciousness-understanding-holograms-and-dogfooding-ipv6/)

Ampere WS-1: The Other APL Portable Computer
https://hackaday.com/2024/12/06/ampere-ws-1-the-other-apl-portable-computer/

When thinking of home computers and their portable kin it’s easy to assume that all of them provided BASIC as their interpreter, but for a while APL also played a …read more (https://hackaday.com/2024/12/06/ampere-ws-1-the-other-apl-portable-computer/)

VNAs and Crystals
https://hackaday.com/2024/12/06/vnas-and-crystals/

Oscillators may use crystals as precise tuned circuits. If you have a vector network analyzer (VNA) — or even some basic test equipment — you can use it to learn …read more (https://hackaday.com/2024/12/06/vnas-and-crystals/)

Antenna Measurement in Theory and Practice
https://hackaday.com/2024/12/06/antenna-measurement-in-theory-and-practice/

If you want to analyze an antenna, you can use simulation software or you can build an antenna and make measurements. [All Electroncs Channel] does both and show you how …read more (https://hackaday.com/2024/12/06/antenna-measurement-in-theory-and-practice/)

3D Printed Caliper Extensions Make Hole Measurement Easier
https://hackaday.com/2024/12/06/3d-printed-extensions-make-hole-measurement-easier/