Top 10 Hacker News — Top Stories — March 21, 2026

A team rewrote their Rust WASM parser in TypeScript and it got faster—a counterintuitive result that scored 135 points, proving that sometimes the right tool is the one you optimize, not the one you prestige.

Ghostling, a project or tool that earned 131 points and 20 comments, is a niche entry that hints at the community's appetite for experiments in storytelling or game development.

France's aircraft carrier was located in real time by Le Monde through a fitness app—497 points and 403 comments made this the most debated item, exposing how civilian data streams can compromise military secrets.

A Japanese glossary of chopsticks faux pas scored 155 points with 130 comments, a cultural deep-dive that resonated as both practical advice and a lesson in avoiding social embarrassment.

Molly Guard, a security-focused tool, scraped by with 14 points and 5 comments—a low-traffic item that suggests niche appeal but little broad engagement on this day.

Linux Applications Programming by Example: The Fundamental APIs (2nd Edition) scored 43 points and 6 comments—a textbook that older engineers praised but younger ones likely skipped.

The Ugliest Airplane: An Appreciation earned 17 points and 10 comments—a loving ode to engineering that defies aesthetics, finding a small but engaged audience.

Lent and Lisp scored 33 points with only 2 comments—a meditation on discipline and programming languages that barely sparked discussion but hinted at seasonal introspection.

Attention Residuals tied with 135 points and 20 comments—a machine learning concept that grabbed the same score as the Rust/WASM rewrite, showing deep interest in AI theory.

A team rewrote their Rust WASM parser in TypeScript and it got faster—a counterintuitive result that scored 135 points, proving that sometimes the right tool is the one you optimize, not the one you prestige.

Ghostling, a project or tool that earned 131 points and 20 comments, is a niche entry that hints at the community's appetite for experiments in storytelling or game development.

France's aircraft carrier was located in real time by Le Monde through a fitness app—497 points and 403 comments made this the most debated item, exposing how civilian data streams can compromise military secrets.

A Japanese glossary of chopsticks faux pas scored 155 points with 130 comments, a cultural deep-dive that resonated as both practical advice and a lesson in avoiding social embarrassment.

Molly Guard, a security-focused tool, scraped by with 14 points and 5 comments—a low-traffic item that suggests niche appeal but little broad engagement on this day.

Linux Applications Programming by Example: The Fundamental APIs (2nd Edition) scored 43 points and 6 comments—a textbook that older engineers praised but younger ones likely skipped.

The Ugliest Airplane: An Appreciation earned 17 points and 10 comments—a loving ode to engineering that defies aesthetics, finding a small but engaged audience.

Lent and Lisp scored 33 points with only 2 comments—a meditation on discipline and programming languages that barely sparked discussion but hinted at seasonal introspection.

Attention Residuals tied with 135 points and 20 comments—a machine learning concept that grabbed the same score as the Rust/WASM rewrite, showing deep interest in AI theory.