hackernews

1. Polish trains lock up when serviced in third-party workshops Total comment counts : 24 Summary error Top 1 Comment Summary This article discusses the use of trains in Poland by regional train companies. There are five servicing levels, with some smaller competitors winning tenders at lower prices due to the European Union Agency For Railways opening the market. The article mentions an incident where four trains serviced by SPS Mieczkowski couldn’t start and resulted in penalties....

1. Harvard gutted team examining Facebook Files following $500M Zuckerberg donation Total comment counts : 3 Summary Harvard University disbanded its team of online disinformation experts after receiving a $500 million donation from the Chan Zuckerberg Initiative, according to a whistleblower disclosure filed by Whistleblower Aid. Dr. Joan Donovan, a leading expert on social media disinformation, and her team were analyzing documents exposing Facebook’s knowledge of the harm caused by its platform when they faced resistance and were eventually terminated....

1. LLM Visualization Total comment counts : 1 Summary error Top 1 Comment Summary The article refers to comments that have been moved to a different link on Hacker News. The author mentions feeling bad about the karma not being shared for the original post and manually decided to move the comments. They also mention the possibility of software handling this in the future. 2. Cicadas are so loud, fiber optic cables can ‘hear’ them Total comment counts : 16...

1. Tinnitus linked to undetected auditory nerve damage Total comment counts : 80 Summary A study conducted by researchers at Massachusetts Eye and Ear has found a link between tinnitus and undetectable auditory nerve loss. The study challenges previous beliefs about tinnitus and opens up new possibilities for treatments focused on nerve regeneration. The researchers discovered that individuals with tinnitus, even those with normal hearing tests, experience auditory nerve loss that is not detected by conventional tests....

1. Marker: Convert PDF to Markdown quickly with high accuracy Total comment counts : 29 Summary The article discusses a tool called Marker that can convert PDF, EPUB, and MOBI files into markdown format. Marker is faster and more accurate compared to previous models and has a lower risk of generating repetitive or hallucinated text. It utilizes deep learning models and passes equation blocks through an LLM forward pass. The article provides instructions on how to use Marker and mentions some known limitations....

1. Sam Altman returns as CEO, OpenAI has a new initial board Total comment counts : 70 Summary OpenAI has announced that CEO Sam Altman is returning to the company, with Mira Murati resuming her role as CTO. The initial board will consist of Bret Taylor as Chair, along with Larry Summers and Adam D’Angelo. Altman expressed his excitement for the future and thanked everyone for their hard work during uncertain times....

1. My $500M Mars rover mistake Total comment counts : 72 Summary In February 2003, a mistake occurred at NASA’s Jet Propulsion Laboratory during testing of the Spirit Mars Rover. The author was tasked with verifying the integrity of the motors in the Rock Abrasion Tool (RAT) attached to the rover’s robotic arm. While performing the test, a surge of electricity was sent into the spacecraft instead of the motor, causing alarm....

1. Designing a SIMD Algorithm from Scratch Total comment counts : 13 Summary The article discusses the concept of SIMD (single instruction multiple data) and its importance in optimizing code for performance. It explains that SIMD is related to the physical limitations of computers and the need to increase performance without increasing clock frequency. The article also mentions the use of SIMD in the vb64 base64 codec and explores the idea of parallelism in computer cores....

1. Choose the browser that best suits your privacy needs Total comment counts : 99 Summary error Top 1 Comment Summary The article criticizes Microsoft’s Edge browser, stating several reasons why it is seen as worse than Google Chrome. First, it mentions that Chromium-based browsers, including Edge, will eventually block uBlock Origin due to compatibility issues. The article also points out that Edge is considered spyware and worse than Chrome in terms of privacy because Microsoft is an advertising company....

1. The Dunning-Kruger effect is autocorrelation Total comment counts : 70 Summary The Dunning-Kruger effect refers to the tendency for unskilled individuals to overestimate their competence. However, recent evidence suggests that the Dunning-Kruger effect may be a statistical artifact rather than a genuine psychological phenomenon. Autocorrelation, which occurs when a variable is correlated with itself, can create the illusion of the Dunning-Kruger effect. The effect was initially discovered in an experiment where participants completed a skills test and self-assessed their ability....