Calculus Made Easy in the Car
https://hackaday.com/2022/07/29/calculus-made-easy-in-the-car/

If you had the traditional engineering education, you’ve made your peace with calculus. If you haven’t, you may have learned it on your own, but for many people, calculus has …read more (https://hackaday.com/2022/07/29/calculus-made-easy-in-the-car/)

Testing Antennas with WSPR
https://hackaday.com/2022/07/29/testing-antennas-with-wspr/

There are many ways to test HF antennas ranging from simulation to various antenna analyzers and bridges. However, nothing can replace simply using the antenna to see how it works. …read more (https://hackaday.com/2022/07/29/testing-antennas-with-wspr/)

When [Carl] Says Jump, PCBs say “How High?”
https://hackaday.com/2022/07/30/when-carl-says-jump-pcbs-say-how-high/

We’ve noticed that [Carl Bugeja] likes flexible PCBs. His latest exploit is to make PCB-based springs that combine with some magnets to create little devices that jump. We aren’t sure …read more (https://hackaday.com/2022/07/30/when-carl-says-jump-pcbs-say-how-high/)

Fix Old Caps, But Keep That “Can Capacitor” Look
https://hackaday.com/2022/07/30/fix-old-caps-but-keep-that-can-capacitor-look/

Vintage electronics and capacitor replacements tend to go hand-in-hand. Why? Because electrolytic capacitors just don’t last, not the way most other components do, anyway. It’s one thing to swap old …read more (https://hackaday.com/2022/07/30/fix-old-caps-but-keep-that-can-capacitor-look/)

Demonstrate Danger, Safely
https://hackaday.com/2022/07/30/demonstrate-danger-safely/

Dan Maloney and I were talking about the chess robot arm that broke a child’s finger during the podcast, and it turns out that we both have extreme respect for …read more (https://hackaday.com/2022/07/30/demonstrate-danger-safely/)

Hackaday Prize 2022: Soviet Geiger Counter Gets WiFi
https://hackaday.com/2022/07/30/hackaday-prize-2022-soviet-geiger-counter-gets-wifi/

[Marek] has an impressive collection of old Soviet-style Geiger counters. These are handy tools to have in some specific situations, but for most of us they would be curiosities. Even …read more (https://hackaday.com/2022/07/30/hackaday-prize-2022-soviet-geiger-counter-gets-wifi/)

Re-reclaimed From Nature: Resurrecting a DT80 Terminal
https://hackaday.com/2022/07/30/re-reclaimed-from-nature-resurrecting-a-dt80-terminal/