Month: February 2024

We’ve Already Seen Category 6 Hurricanes–Now Scientists Want to Make It Official

we’ve-already-seen-category-6-hurricanes–now-scientists-want-to-make-it-official

Five tropical cyclones in the past 9 years have hit wind speeds far above the category 5 threshold, causing thousands of fatalities and billions of dollars of damage. Such ultrastrong, highly destructive hurricanes are becoming more likely as climate change increases the amount of energy available to storms.  “Storms are getting stronger and stronger, so […]

Explaining the SDXL Latent Space

explaining-the-sdxl-latent-space

Community blog post Published November 20, 2023 TL;DRor check out the interactive demonstration A Short background storyThe 4 channels of the SDXL latents    The 8-bit pixel space has 3 channels    The SDXL latent representation of an image has 4 channels    Direct conversion of SDXL latents to RGB with a linear approximation    A probable reason why the SDXL color range […]

Want to build a sequencer? 454.bio opens up their plans

want-to-build-a-sequencer?-454.bio-opens-up-their-plans

Just as the AGBT hype cycle was firing up (with me contributing multiple sparks), serial entrepreneur Jonathan Rothberg’s latest sequencing startup 454.bio fully de-stealthed their technology this weekend, going so far as to release open source plans to build an instrument prototype.  454.bio  is aiming to build a Keurig-sized device to retail for $100, with […]

The Potent Pollution of Noise

the-potent-pollution-of-noise

Jeffrey Arlo Brown is a freelance writer based in Berlin. BERLIN, Germany — Thomas Kusitzky’s profession is unusual enough that it has its own consonant-heavy compound German noun: Stadtklanggestalter, or urban soundscape planner. Kusitzky, who believes he’s the only person in the world with that exact job description, works at the Berlin branch of an engineering […]

Out-of-bounds read and write in the glibc’s qsort()

out-of-bounds-read-and-write-in-the-glibc’s-qsort()

oss-security – Out-of-bounds read & write in the glibc’s qsort() [ ] [thread-next>] [day] [month] [year] [list] Date: Tue, 30 Jan 2024 18:39:37 +0000 From: Qualys Security Advisory To: “oss-security@…ts.openwall.com” Subject: Out-of-bounds read & write in the glibc’s qsort() Qualys Security Advisory For the algorithm lovers: Nontransitive comparison functions lead to out-of-bounds read & write […]

Show HN: Atopile – Design circuit boards with code

Hey HN! We are the founders of atopile. We’re building a tool to describe electronics with code. Here is a quick demo: https://youtu.be/7-Q0XVpfW3Y Could you imagine the pain of building an entire software product using only assembly code? That’s about how we felt designing hardware. We don’t currently have good ways to describe what we […]

Transforming Postgres into a Fast OLAP Database

transforming-postgres-into-a-fast-olap-database

Relative Query Time Scores measured by Clickbench. Lower scores are better. We’re excited to introduce pg_analytics, an extension that accelerates the native analytical performance of any Postgres database1 by 94x. With pg_analytics installed, Postgres is 8x faster than Elasticsearch and nearly ties ClickHouse on analytical benchmarks2. Today, developers who store billions of data points in […]