HN Buddy Daily Digest
Sunday, June 22, 2025
Big News
Okay, the biggest thing everyone was talking about was the **U.S. bombing Iranian nuclear sites**. Man, the comments thread on this was huge, like over 3600 comments! People were going back and forth on all sorts of angles. One thing that came up a lot in the comments was the whole debate about whether Israel has nukes too (seems like most people figure they probably do, even if it's not official). There was also talk about whether this is actually "war" or just strikes, and comparing it to past conflicts like Iraq and Afghanistan. Heavy stuff, obviously.
Cool Tech & Projects
On a completely different note, there was a super cool **exploded view of a mechanical watch**. Like, you could see all the tiny gears and springs. The comments had some interesting tips, especially about finding decent, affordable mechanical watches from Chinese brands if you're curious but don't want to spend a fortune. People were listing brands like Sugess, San Martin, and Seestern.
For the dev side of things, someone wrote about **Git Notes**, calling it Git's "coolest, most unloved feature." It's basically a way to attach extra info to commits or objects without changing the commit history itself. The comments mentioned using it for things like adding notes to patches you send out via email, which is a pretty specific but useful trick if you do that kind of workflow. Some debate in the comments about whether you should ever mess with Git history at all once it's public, which is a classic developer argument, haha.
There was also a tool called **LibRedirect** that redirects you from popular sites like YouTube or Twitter to privacy-friendly alternatives or frontends. The idea is to avoid all the tracking and ads. People in the comments were talking about whether you can trust these alternative sites (since they're basically proxies you don't control) versus the known tracking of the big sites. Someone also pointed out that some of these frontends use way less JavaScript, which is a win for performance and privacy.
A deep dive into **Google's TPUs** (those chips they use for AI stuff) got some attention. If you're into the hardware side of AI, this looked pretty detailed. The comments touched on how Google's actually using their own frameworks like Jax/Flax instead of just TensorFlow now, and how pretty much every big tech company is trying to build their own custom AI chips these days.
Someone wrote about writing their **PhD thesis using Typst**, which is a newer alternative to LaTeX for making documents, especially technical ones. The author seemed really happy with it. The comments compared it a lot to LaTeX – sounds like Typst is easier and faster for many things, though a couple of people mentioned they wished the math syntax was more like LaTeX and had some minor gripes about things like sharing variables between files. But generally, people seemed positive about it as a potential alternative.
Life & Internet Stuff
Okay, this last one was relatable – someone used a cheap **$8 smart outlet with Home Assistant and AdGuard Home to fight "brain rot."** Basically, they set it up so they could physically press a button to turn off their internet access for a set time, making it harder to just endlessly scroll or browse. The comments were full of people sharing their own struggles with online addiction and lack of focus. A few people said this kind of "friction" can really help break the cycle, while others argued that addiction is a symptom of deeper problems, and you need to address those first. Someone else mentioned just blocking sites via the hosts file as a simpler way to add friction.
Oh, and there was also talk about **AI search starving websites** because people just get answers directly from the AI summaries instead of clicking through. The article and comments were basically saying this "AIpocalypse" for web publishers is happening, and some comments were like, "Well, web search was already kinda broken anyway," and pointing out the irony of AI-generated content potentially contributing to this.
Anyway, that was the main stuff that caught my eye. Gotta run, man. Talk later!