The late 1950s were such an optimistic time in America. World War II had been over for less than a decade, the economy boomed thanks to pent-up demand after years …read more (https://hackaday.com/2025/03/08/retrotechtacular-better-living-through-nuclear-chemistry/)

The Coolest Batteries You’ve Never Heard Of
https://hackaday.com/2025/03/09/the-coolest-batteries-youve-never-heard-of/

Imagine cooling your building with the same principle that kept Victorian-era icehouses stocked with lake-frozen blocks, but in modern form. That’s the idea behind ice batteries, a clever energy storage …read more (https://hackaday.com/2025/03/09/the-coolest-batteries-youve-never-heard-of/)

Fixing an Unpleasant SD Card Slot Issue In a NanoVNA
https://hackaday.com/2025/03/09/fixing-an-unpleasant-sd-card-slot-issue-in-a-nanovna/

SD cards & the much smaller microSD cards are found on many devices, with the card often accessible from outside the enclosure. Unfortunately there’s a solid chance that especially small …read more (https://hackaday.com/2025/03/09/fixing-an-unpleasant-sd-card-slot-issue-in-a-nanovna/)

Taming the Wobble: An Arduino Self-Balancing Bot
https://hackaday.com/2025/03/09/taming-the-wobble-an-arduino-self-balancing-bot/

Getting a robot to stand on two wheels without tipping over involves a challenging dance with the laws of physics. Self-balancing robots are a great way to get into control …read more (https://hackaday.com/2025/03/09/taming-the-wobble-an-arduino-self-balancing-bot/)

Old Chromebooks Get Second Life as Video Wall
https://hackaday.com/2025/03/09/old-chromebooks-get-second-life-as-video-wall/

What would you do with dozens and dozens of outdated Chromebooks that are no longer getting updates from the Google Mothership? It’s a situation that plenty of schools will have …read more (https://hackaday.com/2025/03/09/old-chromebooks-get-second-life-as-video-wall/)

Deep Drawing with Ultrasonics
https://hackaday.com/2025/03/09/deep-drawing-with-ultrasonics/

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/)