Vercel April 2026 security incident

291 colesantiago 2026-04-19 14:19:27 UTC bleepingcomputer.com Llama Share 216

Vercel disclosed a security incident after threat actors claimed to have breached its systems and are selling stolen data. The company is investigating and notifying affected customers, advising them to review environment variables and rotate secrets.

The Bromine Chokepoint: How Strife Could Halt Production of World’s Memory Chips

47 crescit_eundo 2026-04-19 18:19:27 UTC warontherocks.com Llama Share 14

A global semiconductor memory supply chain is vulnerable to a bromine shortage due to Israel's reliance on bromine imports and limited conversion capacity outside the country. A disruption would immediately impact global memory production, affecting consumer devices, military systems, and AI infrastructure.

Show HN: Faceoff – A terminal UI for following NHL games

47 vcf 2026-04-19 18:19:27 UTC vincentgregoire.com Full Share 18

This project was inspired by Playball, a similar terminal application for following MLB baseball games. This project is not affiliated with, endorsed by, or in any way officially connected with the National Hockey League (NHL), any of its teams, or any of its affiliates. All NHL logos, trademarks, and data are the property of the NHL and its teams.

I wrote a CHIP-8 emulator in my own programming language

14 pizza_man 2026-04-19 19:23:27 UTC github.com/navid-m Full Share 4

Chip8 Emulator. Contribute to navid-m/chip8emu development by creating an account on GitHub.

A. J. Ayer – ‘What I Saw When I Was Dead’ (1988)

5 isomorphy 2026-04-19 20:06:27 UTC philosopher.eu Prefix Share 0

– Great British atheist philosopher A. J. Ayer (1910 – 1989) recounts his extraordinary near death experience in an article for The Sunday Telegraph (28th August 1988), reflecting upon its possible implications. My first attack of pneumonia occurred in the United States. I was in hospital for ten days in New York, after which the doctors said that I was well enough to leave. A final X-ray, ...

I learned Unity the wrong way

23 lelanthran 2026-04-19 18:19:27 UTC darkounity.com Full Share 6

I spent 3 years building Unity games by copying tutorials and stitching forum scripts together. Then an interviewer asked me what Queue<T> was. I could not answer.

Archive of BYTE magazine, starting with issue #1 in 1975

477 DamnInteresting 2026-04-19 10:19:27 UTC archive.org Full Share 120

Foreground p.20 RECYCLING USED ICs [theme Hardware] [author Mikkelsen] p.62 DECIPHERING MYSTERY KEYBOARDS [theme Hardware] [author Heltners] p.72 LIFE...

Notion leaks email addresses of all editors of any public page

231 Tiberium 2026-04-19 16:19:27 UTC twitter.com/weezerosint Full Share 74

Something went wrong, but don’t fret — let’s give it another shot. Some privacy related extensions may cause issues on x.com. Please disable them and try again.

The seven programming ur-languages (2022)

222 helloplanets 2026-04-19 08:19:27 UTC madhadron.com Llama Share 87

The user explains that programming languages can be grouped into seven fundamental "ur-languages" that share common patterns and characteristics, and that learning a language from the same ur-language is easier than learning one from a different ur-language. The user suggests learning a language from the ALGOL family (such as Python or Java), then learning a language from the Prolog family ...

Nanopass Framework: Clean Compiler Creation Language

97 NordStreamYacht 2026-04-19 12:19:27 UTC nanopass.org Full Share 23

The Nanopass Framework is an embedded domain-specific language for creating compilers that focuses on creating small passes and many intermediate representations. Nanopass reduces the boilerplate required to create compilers making them easier to understand and maintain.

Changes in the system prompt between Claude Opus 4.6 and 4.7

79 pretext 2026-04-19 11:19:27 UTC simonwillison.net Llama Share 49

Anthropic published system prompts for their chat system, with updates from Claude 3 to Opus 4.7, showing changes in child safety, tool usage, and response style. The new prompt includes tools like Claude in Chrome and a tool search mechanism to resolve ambiguities.

Game devs explain the tricks involved with letting you pause a game

367 speckx 2026-04-19 05:19:27 UTC kotaku.com Llama Share 200

Game developers use various methods to pause games, including manipulating time, freezing frames, and ignoring pause commands for certain functions. Pausing a game can be a complex process, but most modern game engines support it, and developers can implement it with proper testing and consideration of different pause scenarios.

KTaO3-Based Supercurrent Diode

18 PaulHoule 2026-04-19 17:19:27 UTC pubs.acs.org Llama Share 1

Researchers have demonstrated the supercurrent diode effect (SDE) in KTaO3 (KTO) superconducting weak links (WLs) using conductive atomic force microscope (c-AFM) lithography. The SDE polarity can be controlled by varying the WL position, and the rectification efficiency reaches up to 13% under optimal magnetic field conditions.

SPEAKE(a)R: Turn Speakers to Microphones for Fun and Profit [pdf] (2017)

142 Eridanus2 2026-04-19 09:19:27 UTC usenix.org Llama Share 63

A new type of malware called SPEAKE(a)R can covertly turn headphones, earphones, or simple earbuds connected to a PC into microphones when a standard microphone is not present, muted, taped, or turned off. The malware can record human speech of intelligible quality and eavesdrop from nine meters away, posing a significant cyber security threat.

Show HN: Shader Lab, like Photoshop but for shaders

115 ragojose 2026-04-19 11:19:27 UTC eng.basement.studio Full Share 34

A powerful toolkit to create, stack, and animate shaders.

Reverse Engineering ME2's USB with a Heat Gun and a Knife

28 Bawoosette 2026-04-19 16:19:27 UTC github.com/coremaze Llama Share 1

The user, a leader of the Miuchiz Reborn project, successfully reverse engineered the ME2 handheld device's protocol by desoldering its flash chip, decapsulating the microcontroller, and using a digital microscope to identify the chip's type. With the microcontroller's instruction set and datasheet, the user was able to write code to interact with the device over USB, allowing them to read ...

What are skiplists good for?

233 mfiguiere 2026-04-19 03:19:27 UTC antithesis.com Llama Share 50

The user encountered a problem at Antithesis where they needed to efficiently query a large tree data structure in Google BigQuery, but point lookups were slow. They solved this by inventing a "skiptree" data structure, which is a hierarchy of skiplists that allows for efficient querying with a fixed number of JOINs in SQL.

College instructor turns to typewriters to curb AI-written work

435 gnabgib 2026-04-18 20:19:27 UTC sentinelcolorado.com Llama Share 395

Grit Matthias Phelps, a Cornell University instructor, introduced manual typewriters to her German language class to prevent AI use and teach students the value of writing without digital assistance. The "analog" assignment allowed students to experience the raw feeling of typing without screens, online dictionaries, or delete keys.

NIST scientists create 'any wavelength' lasers

400 rbanffy 2026-04-18 21:19:27 UTC nist.gov Llama Share 182

Scientists at NIST have developed a way to make integrated circuits for light, which could power emerging technologies like AI, quantum computers, and optical atomic clocks. The new technique allows for the creation of complex circuits that can manipulate light in various ways, potentially making these technologies more powerful and portable.

The RAM shortage could last years

67 omer_k 2026-04-19 08:19:27 UTC theverge.com Llama Share 69

Memory makers will meet only 60 percent of demand by 2027 due to production shortages. New fabrication capacity won't be online until 2027 or 2028, exacerbating the RAM shortage.

Show HN: Prompt-to-Excalidraw demo with Gemma 4 E2B in the browser (3.1GB)

68 teamchong 2026-04-19 11:19:27 UTC teamchong.github.io Full Share 32

Gemma 4 E2B generating Excalidraw diagrams from text prompts, running entirely in desktop Chrome via WebGPU. KV cache compressed 2.4× using TurboQuant's polar+QJL algorithm reimplemented in WGSL compute shaders. Requires Chrome 134+ on desktop — Safari/iOS not supported.

Reading Input from an USB RFID Card Reader

22 kevwedotse 2026-04-19 15:19:27 UTC kevwe.com Llama Share 4

You had a cheap RFID reader and wanted to capture its input without affecting other applications. You used the EVIOCGRAB ioctl in C and found a Python solution, but preferred a native approach.

Anonymous request-token comparisons from Opus 4.6 and Opus 4.7

594 anabranch 2026-04-18 20:19:27 UTC tokens.billchambers.me Full Share 557

Anonymous request-token comparisons from the community, showing how Opus 4.6 and Opus 4.7 differ on real inputs Open source · stored rows contain anonymous submission IDs onlyNot affiliated with or endorsed by Anthropic.

Blue Origin's rocket reuse achievement marred by upper stage failure

5 rbanffy 2026-04-19 19:43:27 UTC arstechnica.com Prefix Share 0

The third flight of Blue Origin’s heavy-lift New Glenn launcher began Sunday with the company’s first successful reflight of an orbital-class booster, but ended with a setback for Jeff Bezos’ flagship rocket, a key element in NASA’s Artemis lunar program. The 321-foot-tall (98-meter) New Glenn launch vehicle ignited its seven methane-fueled BE-4 engines at 7:25 am EDT (11:25 UTC) Sunday, ...

The electromechanical angle computer inside the B-52 bomber's star tracker

403 NelsonMinar 2026-04-18 20:19:27 UTC righto.com Llama Share 101

Before GPS, aircraft navigated using celestial navigation, which was automated in the 1960s with the development of the Astro Compass system that used an electromechanical analog computer called the Angle Computer. The Angle Computer physically modeled the celestial sphere to solve the navigational triangle and provide accurate heading and position information to the aircraft navigator.

4-bit floating point FP4

54 chmaynard 2026-04-18 22:19:27 UTC johndcook.com Llama Share 41

Floating point numbers with less precision, such as 4-bit floating point numbers, are used in neural networks to fit more parameters into memory. The 4-bit floating point number format, FP4, uses the first bit for sign and the remaining three bits for exponent and mantissa, with different formats like E2M1 having unevenly spaced values on both log and linear scales.

Why Japan has such good railways

529 RickJWagner 2026-04-18 20:19:27 UTC worksinprogress.co Llama Share 492

Japan's railway system excels due to good public policy, business structure, and land use rules, not cultural factors. Its unique model of private companies building cities and capturing value from real estate and commercial side businesses has contributed to its success.

The world in which IPv6 was a good design (2017)

182 signa11 2026-04-19 03:19:27 UTC apenwarr.ca Llama Share 78

The user attended an IETF meeting to learn about TCP BBR and observed the ongoing debate about IPv6 replacing IPv4, which led them to investigate the history of networking protocols and their complexities. The user discovered that the intertwining of ethernet and IP protocols has resulted in a complicated system, making it difficult to imagine a network without MAC addresses and IP addresses, ...

Notes from the SF peptide scene

103 theahura 2026-04-19 15:19:27 UTC 12gramsofcarbon.com Llama Share 85

The author visited the Bay Area and observed a culture of extreme sincerity, where people take everything seriously, including absurd conversations and behaviors. They attended a "spring gay peptide party" where people injected each other with peptides for weight loss and other purposes.

Airline worker arrested after sharing photos of bomb damage in WhatsApp group

207 aa_is_op 2026-04-19 13:19:27 UTC lbc.co.uk Llama Share 134

A Dubai airline worker was arrested for sharing bomb damage photos in a private WhatsApp group, charged with publishing information harmful to state interests. He remains in detention, highlighting concerns over Dubai's surveillance operations and access to private communications.