AI Briefing
Hacker News news
The latest AI and developer news from Hacker News, with short summaries.
Visit website →The electromechanical angle computer inside the B-52 bomber's star tracker
How the B-52's Angle Computer mechanically calculates star navigation
Comparing Request Tokens for Opus 4.6 and Opus 4.7 from Anonymous Submissions
It compares the token usage difference between Opus 4.6 and 4.7 using anonymous inputs submitted by the community.
Show HN: MDV – Markdown supersets for documents, dashboards, and slides with data
Introducing MDV, which renders documents, dashboards, and slides using only Markdown.
Fuzix OS
Fuzix 0.4 significantly cleans up networking, executable formats, and the build flow.
Reverse-Engineering the ME2's USB with a Heat Gun and a Knife
By reverse-engineering the hidden USB protocol of the ME2 handheld, the score storage method was uncovered.
State of Kdenlive
A summary of Kdenlive's recent releases, roadmap, and community status.
Digging into the Postgres source to build a WAL receiver from scratch
By analyzing the PostgreSQL source code, a WAL receiver and backup system were built in Go.
Show HN: I built a calculator that operates on disjoint sets of intervals
Introduction of a calculator implementation supporting interval union arithmetic.
Fil-C's Simplified Model
Explains the core idea of Fil-C through C/C++ transformation and GC.
Focused microwaves let 3D printers fuse circuits onto almost any surface
Localized heating under 200μm allowed electronic circuits to be printed even on sensitive substrates.
Tesla tells HW3 owner to 'have patience' after 7-year FSD wait
Tesla effectively dodged an EU owner's question about lack of HW3 FSD support.
"cat readme.txt" is not safe if you use iTerm2
A trust-boundary flaw in iTerm2's SSH integration allowed RCE from just running `cat`.
Show HN: A working reference implementation of context engineering
A reference implementation of the five-stage structure of context engineering, built with a Bedrock example.
All 12 people who walked on the Moon suffered 'lunar hay fever' from gunpowder-smelling dust (2018)
All 12 Apollo astronauts experienced respiratory irritation symptoms from lunar dust.
NeoGeo AES+: SNK Announces Retro Console Relaunch Without Emulation
SNK is relaunching the NeoGeo AES+, which reproduces the original console's behavior using ASIC-based hardware.
Show HN: Smol machines – subsecond coldstart, portable virtual machines
It's a portable VM tool that boots up immediately with sub-second cold start.
Show HN: PanicLock – Disable Touch ID and lock with password when you close your MacBook lid
A macOS utility that briefly turns off Touch ID and instantly locks your Mac.
Detecting DOSBox from Inside DOSBox
How to identify the runtime environment using DOSBox's dedicated FE/7 callback opcode.
Measuring Claude 4.7's Tokenizer Cost
Claude 4.7 uses 1.3–1.45x more tokens, while strict instruction following improved slightly.