tech

This link was posted by [c249709](https://news.ycombinator.com/user?id=c249709) 1 hour ago on [HN](https://news.ycombinator.com/item?id=44435484). It received 323 points and 143 comments.

The Fed says this is a cube of $1M. They're off by half a million

This link was posted by [speckx](https://news.ycombinator.com/user?id=speckx) 1 hour ago on [HN](https://news.ycombinator.com/item?id=44434062). It received 59 points and 16 comments.

Feasibility study of a mission to Sedna - Nuclear propulsion and solar sailing

This link was posted by [simedw](https://news.ycombinator.com/user?id=simedw) 1 hour ago on [HN](https://news.ycombinator.com/item?id=44433409). It received 87 points and 33 comments.

Show HN: Spegel, a Terminal Browser That Uses LLMs to Rewrite Webpages

This link was posted by [dandano](https://news.ycombinator.com/user?id=dandano) 3 days ago on [HN](https://news.ycombinator.com/item?id=44403988). It received 90 points and 34 comments.

I built something that changed my friend group's social fabric

This link was posted by [rcarmo](https://news.ycombinator.com/user?id=rcarmo) 2 days ago on [HN](https://news.ycombinator.com/item?id=44405423). It received 31 points and 2 comments.

Restoring a ZX Spectrum+ Toastrack

This link was posted by [bearsyankees](https://news.ycombinator.com/user?id=bearsyankees) 7 hours ago on [HN](https://news.ycombinator.com/item?id=44426726). It received 314 points and 211 comments.

Xfinity using WiFi signals in your house to detect motion

This link was posted by [robotswantdata](https://news.ycombinator.com/user?id=robotswantdata) 1 hour ago on [HN](https://news.ycombinator.com/item?id=44427757). It received 185 points and 102 comments.

The New Skill in AI Is Not Prompting, It's Context Engineering

This link was posted by [todsacerdoti](https://news.ycombinator.com/user?id=todsacerdoti) 1 hour ago on [HN](https://news.ycombinator.com/item?id=44425461). It received 72 points and 15 comments.

I Write Type Safe Generic Data Structures in C

This link was posted by [matthewolfe](https://news.ycombinator.com/user?id=matthewolfe) 2 hours ago on [HN](https://news.ycombinator.com/item?id=44422480). It received 79 points and 19 comments.

Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken

This link was posted by [HexDecOctBin](https://news.ycombinator.com/user?id=HexDecOctBin) 3 hours ago on [HN](https://news.ycombinator.com/item?id=44421185). It received 66 points and 15 comments.

The provenance memory model for C

This link was posted by [pabs3](https://news.ycombinator.com/user?id=pabs3) 1 hour ago on [HN](https://news.ycombinator.com/item?id=44419446). It received 60 points and 11 comments.

Bought an Ampere Altra System

This link was posted by [emschwartz](https://news.ycombinator.com/user?id=emschwartz) 8 hours ago on [HN](https://news.ycombinator.com/item?id=44416157). It received 69 points and 50 comments.

Error handling in Rust

This link was posted by [XzetaU8](https://news.ycombinator.com/user?id=XzetaU8) 11 hours ago on [HN](https://news.ycombinator.com/item?id=44414719). It received 126 points and 63 comments.

Personal care products disrupt the human oxidation field

This link was posted by [nivethan](https://news.ycombinator.com/user?id=nivethan) 3 days ago on [HN](https://news.ycombinator.com/item?id=44393307). It received 88 points and 52 comments.

Touching the back wall of the Apple store

This link was posted by [todsacerdoti](https://news.ycombinator.com/user?id=todsacerdoti) 14 hours ago on [HN](https://news.ycombinator.com/item?id=44413185). It received 442 points and 114 comments.

I made my VM think it has a CPU fan

This link was posted by [jmillikin](https://news.ycombinator.com/user?id=jmillikin) 19 hours ago on [HN](https://news.ycombinator.com/item?id=44411273). It received 155 points and 55 comments.

Using the Internet without IPv4 connectivity

This link was posted by [thebeardisred](https://news.ycombinator.com/user?id=thebeardisred) 1 day ago on [HN](https://news.ycombinator.com/item?id=44407139). It received 716 points and 232 comments.

JavaScript Trademark Update

This link was posted by [Stwerner](https://news.ycombinator.com/user?id=Stwerner) 1 day ago on [HN](https://news.ycombinator.com/item?id=44404905). It received 270 points and 123 comments.

MCP: An (Accidentally) Universal Plugin System

This link was posted by [AlexeyBrin](https://news.ycombinator.com/user?id=AlexeyBrin) 1 day ago on [HN](https://news.ycombinator.com/item?id=44404164). It received 72 points and 5 comments.

We ran a Unix-like OS Xv6 on our home-built CPU with a home-built C compiler

This link was posted by [gripewater](https://news.ycombinator.com/user?id=gripewater) 1 day ago on [HN](https://news.ycombinator.com/item?id=44403594). It received 59 points and 13 comments.

Unheard works by Erik Satie to premiere 100 years after his death

This link was posted by [nsoonhui](https://news.ycombinator.com/user?id=nsoonhui) 2 days ago on [HN](https://news.ycombinator.com/item?id=44394916). It received 75 points and 53 comments.