Concrete is an incredibly useful and versatile building material on which not only today’s societies, but also the ancient Roman Empire was built. To this day Roman concrete structures can …read more (https://hackaday.com/2023/04/03/self-healing-concrete-what-ancient-roman-concrete-can-teach-us/)

Retrotechtacular: Voice Controlled Typewriter Science Project in 1958
https://hackaday.com/2023/04/06/retrotechtacular-voice-controlled-typewriter-science-project-in-1958/

Hackaday readers might know [Victor Scheinman] as the pioneer who built some of the first practical robot arms. But what was a kid like that doing in high school? Thanks …read more (https://hackaday.com/2023/04/06/retrotechtacular-voice-controlled-typewriter-science-project-in-1958/)

New Expansion Module Brings Standard Slots to Ancient Laptop
https://hackaday.com/2023/04/04/new-expansion-module-brings-standard-slots-to-ancient-laptop/

Upgrading and repairing vintage laptops is often a challenge — even if their basic hardware is compatible with ordinary PCs, they often use nonstandard components and connectors due to space …read more (https://hackaday.com/2023/04/04/new-expansion-module-brings-standard-slots-to-ancient-laptop/)

Pi Microcontroller Still Runs a Webserver
https://hackaday.com/2023/04/07/pi-microcontroller-still-runs-a-webserver/

At first glance, the Raspberry Pi Pico might seem like a bit of a black sheep when compared to the other offerings from the Raspberry Pi Foundation. While most of …read more (https://hackaday.com/2023/04/07/pi-microcontroller-still-runs-a-webserver/)

This Week in Security: Cookie Monster, CyberGhost, NEXX, and Dead Angles
https://hackaday.com/2023/04/07/this-week-in-security-cookie-monster-cyberghost-nexx-and-dead-angles/

“Operation Cookie Monster” ranks as one of the best code names in recent memory. And it’s apropo, given what exactly went down. Genesis Market was one of those marketplaces where …read more (https://hackaday.com/2023/04/07/this-week-in-security-cookie-monster-cyberghost-nexx-and-dead-angles/)

Busting Wireless ESD Wrist Straps With LTT and ElectroBOOM
https://hackaday.com/2023/04/10/busting-wireless-esd-wrist-straps-with-ltt-and-electroboom/

Nobody likes getting zapped from an electrostatic discharge, no matter whether you’re a fragile ASIC or a bag-of-mostly-salty-water humanoid. To prevent this, ESD wrist straps and similar are essential tools, …read more (https://hackaday.com/2023/04/10/busting-wireless-esd-wrist-straps-with-ltt-and-electroboom/)

Reactivating a Harris RF-130 URT-23 Transmitter
https://hackaday.com/2023/04/08/reactivating-a-harris-rf-130-urt-23-transmitter/

If you enjoy old military hardware, you probably know that Harris made quite a few heavy-duty pieces of radio gear. [K6YIC] picked up a nice example: the Harris RF-130 URT-23. …read more (https://hackaday.com/2023/04/08/reactivating-a-harris-rf-130-urt-23-transmitter/)