TechBrief — تازه‌ترین اخبار فناوری

Show HN: DuckDB community extension for prefiltered HNSW using ACORN-1

Hey folks! As someone doing hybrid search daily and wishing I could have a pgvector-like experience but with actual prefiltered approximate nearest neighbours, I decided to just take a punt on implementing ACORN on a fork of the DuckDB VSS extension. I had to make some changes to (vendored) usearch that I'm thinking of submitting upstream. But this does the business. Approximate nearest neighbours with WHERE prefiltering.

Comments URL: https://news.ycombinator.com/item?id=47512891

Points: 5

# Comments: 0

A former Thiel fellow’s startup just launched a drone it says can replace police helicopters

Brinc launched its newest 911 response drone this week, as the company seeks to expand its prominence in the public safety industry.

Oil at $150 will trigger global recession, says boss of financial BlackRock

Article URL: https://www.bbc.com/news/articles/c9wqrdkx8ppo

Comments URL: https://news.ycombinator.com/item?id=47512204

Points: 45

# Comments: 13

Amazon just bought a startup making kid-size humanoid robots

The acquisition of Fauna Robotics is the second robotics startup Amazon has purchased this month.

With $3.5B in fresh capital, Kleiner Perkins is going all in on AI

The fundraise includes $1 billion for investing in early-stage startups, and $2.5 billion for late-stage growth businesses.

In Edison’s Revenge, Data Centers Are Transitioning From AC to DC

Article URL: https://spectrum.ieee.org/data-center-dc

Comments URL: https://news.ycombinator.com/item?id=47511703

Points: 98

# Comments: 116

Zero-Cost POSIX Compliance: Encoding the Socket State Machine in Lean's Types

Article URL: https://ngrislain.github.io/blog/2026-3-25-zerocost-posix-compliance-encoding-the-socket-state-machine-in-lean-4s-type-system/

Comments URL: https://news.ycombinator.com/item?id=47511631

Points: 28

# Comments: 16

Flighty Airports

Article URL: https://flighty.com/airports

Comments URL: https://news.ycombinator.com/item?id=47511589

Points: 153

# Comments: 50

New Mexico just handed Meta its first courtroom defeat over child safety, and the rest of the country is watching

The dollar amount isn’t as important as the fact that this is the first jury verdict of its kind against Meta over harm to young people.

Lululemon bets Epoch Biodesign can eat its shorts, literally

Startup Epoch Biodesign uses enzymes to break plastic waste down into monomers, the chemical building blocks that can be used to make new plastic.