Hacker News on Tuesday, 25 July 2023

Stories posted this day, by points. Rank history starts with the October 2026 rebuild.

Screenshot of arxiv.org: The first room-temperature ambient-pressure superconductor?

The first room-temperature ambient-pressure superconductor?(arxiv.org)

1400 points by Akronymus 3 years ago | 770 comments

arXiv preprint by Lee, Kim, and Kwon claiming LK-99, a modified lead-apatite, is a room-temperature, ambient-pressure superconductor.

lk-99 superconductivity room-temperature-superconductor condensed-matter

Screenshot of infosec.exchange: Got called to a professor’s office after a complaint his SPARC4 was running slow

Got called to a professor’s office after a complaint his SPARC4 was running slow (infosec.exchange)

957 points by luu 3 years ago | 247 comments

A Mastodon thread about a professor's slow SPARC workstation; the visible post is John Regehr sharing a screenshot of the xroach X11 cockroach program's README.

xroach x11 sparc unix

Screenshot of github.com: Mozilla Standards Positions Opposes Web Integrity API

Mozilla Standards Positions Opposes Web Integrity API (github.com)

769 points by danShumway 3 years ago | 244 comments

GitHub issue in Mozilla's standards-positions repo requesting a position on the Web Environment Integrity API, labeled position: negative and closed.

web-environment-integrity mozilla web-standards browsers

Screenshot of replicate.com: Guide to running Llama 2 locally

Guide to running Llama 2 locally (replicate.com)

573 points by bfirsh 3 years ago | 153 comments

Replicate blog post explaining how to run Meta's Llama 2 model locally on M1/M2 Macs, Windows, Linux, and phones without an internet connection.

llama-2 local-llm replicate meta

Screenshot of invoicedragon.com: Show HN: Invoice Dragon – An open source app to create PDF invoices

Show HN: Invoice Dragon – An open source app to create PDF invoices (invoicedragon.com)

540 points by lanijuyi 3 years ago | 161 comments

Landing page for Invoice Dragon, a free open source web app for quickly creating PDF invoices and receipts.

invoicing pdf-generation receipts show-hn

Screenshot of github.com: PRQL: Pipelined Relational Query Language

PRQL: Pipelined Relational Query Language (github.com)

469 points by animal_spirits 3 years ago | 188 comments

GitHub repository for PRQL, a pipelined relational query language that compiles to SQL as a simpler, more composable alternative.

prql sql query-language data-transformation

Screenshot of pboyd.io: At this company, we are family

At this company, we are family (pboyd.io)

451 points by dharmit 3 years ago | 255 comments

A satirical blog post written as a parent's layoff-style letter terminating a child's family membership, mocking companies that call themselves a family.

satire layoffs corporate-culture workplace

Screenshot of decrypt.co: OpenAI shuts down its AI Classifier due to poor accuracy

OpenAI shuts down its AI Classifier due to poor accuracy (decrypt.co)

441 points by cbowal 3 years ago | 246 comments

Decrypt news article reporting that OpenAI quietly shut down its AI Classifier text-detection tool because of poor accuracy.

openai ai-detection ai-classifier chatgpt

Screenshot of httptoolkit.com: Apple already shipped attestation on the web, and we barely noticed

Apple already shipped attestation on the web, and we barely noticed (httptoolkit.com)

413 points by pimterry 3 years ago | 300 comments

HTTP Toolkit blog post arguing that Apple's Private Access Tokens already brought device attestation to the web, in the context of Google's Web Environment Integrity proposal.

private-access-tokens web-attestation web-environment-integrity apple