Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 459 posts.

Hardware & Electronics
2025
380

I hacked my clock to control my focus

I often get distracted. I obviously don’t like it. So I decided to turn my computer’s clock into a constant reminder to help me focus. Implementation This hack requires: Ubuntu with GNOME desktop environment The Panel Date Format extension A simple bash script 1. Install the Panel Date Format extension # If you don't…

388

Passive Microwave Repeaters

One of the most significant single advancements in telecommunications technology was the development of microwave radio. Essentially an evolution of radar, the middle of the Second World War saw the first practical microwave telephone system. By the time Japan surrendered, AT&T had largely abandoned their plan to…