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ChatGPT Glossary: 55 AI Terms Everyone Should Know

AI is changing the world around us. It's eliminating jobs and flooding the internet with slop. Thanks to the massive popularity of ChatGPT to Google cramming AI summaries at the top of its search results, AI is completely taking over the internet. With AI, you can get instant answers to pretty much any question. It can feel like talking to someone who has a doctoral degree in everything. But that aspect of AI chatbots is only one part of the AI landscape. Sure, having ChatGPT help do your homew

Build Your Own Lisp

Build Your Own Lisp Learn C and build your own programming language in 1000 lines of code! If you're looking to learn C, or you've ever wondered how to build your own programming language, this is the book for you. In just a few lines of code, I'll teach you how to use C, and together, we'll start building your very own language. Along the way we'll learn about the weird and wonderful nature of Lisps, how to develop a real-world project, concisely solve problems, and write beautiful code! T

Ask HN: What trick of the trade took you too long to learn?

Every week for the last 3 months I’ve learned a new trick when it comes to getting whatever LLM I’m using at the time to produce better output. That’s my trade, but lots of HNers have more interesting trades than that. In my case, only recently I learned the value of getting an LLM to write and refine a plan.md architecture doc first, and for it to break that doc down into testable phases, and then to implement phase by phase. Seems obvious in hindsight. But it took too long to learn that that

Spotify is raising Premium prices outside the US

is a news writer focused on creative industries, computing, and internet culture. Jess started her career at TechRadar, covering news and hardware reviews. Posts from this author will be added to your daily email digest and your homepage feed. Spotify is increasing prices in several regions outside of the US, just days after posting disappointing earnings. Spotify announced on Monday that Premium subscribers across Europe, South Asia, the Middle East, Africa, Latin America, and Asia-Pacific wi

How to make almost anything (2019)

My name is D. Sculley. I lead several teams at Google in Cambridge doing research in various aspects of machine learning. I'm involved in this course because many of our current projects involve the use of machine learning for design or fabrication problems of one form or another, including in the biology space and the chemistry space. I'm interested in learning more about other forms of fabrication and seeing if there are interesting cross-domain opportunities to think about. Here is my Google

How To Make (almost) Anything (2019)

My name is D. Sculley. I lead several teams at Google in Cambridge doing research in various aspects of machine learning. I'm involved in this course because many of our current projects involve the use of machine learning for design or fabrication problems of one form or another, including in the biology space and the chemistry space. I'm interested in learning more about other forms of fabrication and seeing if there are interesting cross-domain opportunities to think about. Here is my Google

Apple reports Q3 2025 earnings: $94.04 billion in revenue, up 10% (charts)

Apple just released its earnings report for fiscal Q3 2025 ended June 28. The company generated $94.04 billion in revenue, up 10% from the same quarter last year, and above the expected revenue of $89.22 billion. Here’s the full breakdown. AAPL Q3 2025 earnings Apple reported $1.57 earnings per share for Q3 2025, and $23.42 billion in profit. Here is the full breakdown of the top numbers: Total revenue: $94.04 billion iPhone revenue: $44.58 billion Mac revenue: $8.05 billion iPad revenue:

Rao Reading Algorithm (2024)

October 2024 Who, What, Where, How, and Why Do I Read – Why Reading Matters Reading means my total consumption of ideas and media, learning via seeing or listening to symbols versus pure action. Reading involves books at the core, but also journal articles, news, blogs, music, video, maps, engineering and architectural drawings, code, patents, walking in cities, conversations with people, and viewing art. If it’s compressed info encoded into my brain and world models, I count it. The line betw

PHP-ORT: Machine learning inference for the web

The Problem The Solution Technical Details Addressing Critics The Future The Inevitable Transformation Software is changing faster than we've seen in 25 years. Machine learning isn't just becoming important, it's becoming essential. Every application, every website, every digital interaction will soon expect intelligent features as standard. For millions of PHP developers who power the web, this creates an existential challenge: stay relevant in an AI-first world or risk obsolescence. The St

PHP-ORT: Machine Learning Inference for the Web

The Problem The Solution Technical Details Addressing Critics The Future The Inevitable Transformation Software is changing faster than we've seen in 25 years. Machine learning isn't just becoming important, it's becoming essential. Every application, every website, every digital interaction will soon expect intelligent features as standard. For millions of PHP developers who power the web, this creates an existential challenge: stay relevant in an AI-first world or risk obsolescence. The St

Tim Cook: Apple just sold its three-billionth iPhone

Apple reported its fiscal Q3 2025 earnings today, beating analyst expectations in key categories like revenue, earnings per share, iPhone revenue, and more. During a call with analysts today, Apple CEO Tim Cook revealed that Apple has just crossed another major milestone: shipping its three-billionth iPhone since its launch in 2007. For those keeping track at home, Apple shipped its one-billionth iPhone back in July 2016, nine years after the release of the first iPhone. At the time, Cook tout

Apple stock gets a cautious boost after beating Q3 expectations

Apple shares are up around 3% in after-hours trading, following the company’s fiscal Q3 2025 earnings report, which topped Wall Street expectations. Wall Street cautiously optimistic on strong earnings A few moments ago, Apple posted $94.04 billion in revenue for the June quarter, up 10% year over year, and ahead of what analysts had projected. Still, the market response has been measured, with shares up around 3% after hours. This could suggest investors had largely anticipated a strong quar

AI is a floor raiser, not a ceiling raiser

AI is a Floor Raiser, not a Ceiling Raiser¶ A reshaped learning curve¶ Before AI, learners faced a matching problem: learning resources have to be created with a target audience in mind. This means as a consumer, learning resources were suboptimal fits for you: You're a newbie at $topic_of_interest , but have knowledge in related topic $related_topic . But finding learning resources that teach $topic_of_interest in terms of $related_topic is difficult. , but have knowledge in related topic .

AI Is a Floor Raiser, Not a Ceiling Raiser

AI is a Floor Raiser, not a Ceiling Raiser¶ A reshaped learning curve¶ Before AI, learners faced a matching problem: learning resources have to be created with a target audience in mind. This means as a consumer, learning resources were suboptimal fits for you: You're a newbie at $topic_of_interest , but have knowledge in related topic $related_topic . But finding learning resources that teach $topic_of_interest in terms of $related_topic is difficult. , but have knowledge in related topic .

Arm stock tumbles on chip designer's muted profit forecast

Shares of Arm Holdings plunged 12% on Thursday after the chip designer offered muted guidance for earnings. Second-quarter adjusted earnings will be between 29 cents and 37 cents per share, Arm said late Wednesday. Wall Street had projected 35 cents per share. The company forecast second-quarter revenue of $1.01 billion to $1.11 billion, which was in line with consensus estimates of $1.05 billion. The concerning outlook was amplified by commentary from Arm CEO Rene Haas, who indicated the com

GEPA: Reflective prompt evolution can outperform reinforcement learning

Authors: Lakshya A Agrawal, Shangyin Tan, Dilara Soylu, Noah Ziems, Rishi Khare, Krista Opsahl-Ong, Arnav Singhvi, Herumb Shandilya, Michael J Ryan, Meng Jiang, Christopher Potts, Koushik Sen, Alexandros G. Dimakis, Ion Stoica, Dan Klein, Matei Zaharia, Omar Khattab Paper: https://arxiv.org/abs/2507.19457 TL;DR What was done? The authors introduced GEPA (Genetic-Pareto), a novel algorithm for optimizing prompts in complex, multi-module AI systems. Instead of relying on traditional reinforceme

GEPA: Reflective Prompt Evolution Can Outperform Reinforcement Learning

Authors: Lakshya A Agrawal, Shangyin Tan, Dilara Soylu, Noah Ziems, Rishi Khare, Krista Opsahl-Ong, Arnav Singhvi, Herumb Shandilya, Michael J Ryan, Meng Jiang, Christopher Potts, Koushik Sen, Alexandros G. Dimakis, Ion Stoica, Dan Klein, Matei Zaharia, Omar Khattab Paper: https://arxiv.org/abs/2507.19457 TL;DR What was done? The authors introduced GEPA (Genetic-Pareto), a novel algorithm for optimizing prompts in complex, multi-module AI systems. Instead of relying on traditional reinforceme

Robinhood's 175% rally this year is best among U.S. tech stocks

As Robinhood investors await second-quarter earnings, expectations are sky-high. The online broker, known for popularizing stock and crypto trading with young investors, has seen its shares surge 177% this year, outpacing all other U.S. tech companies valued at $5 or more, excluding those that went public in 2025. The next best performer is Palantir , up 107%. Robinhood's pop this year follows a 192% rally in 2024. The company's market cap now sits at $91 billion, putting it slightly behind Co

10 ways true Linux power users get more out of the world's best OS

nadla/Getty Images Linux is powerful, flexible, and can do just about anything. However, to really get the most out of Linux and your computer(s), there are certain skills and habits you need to bolster; otherwise, you're not really enjoying the riches that can be mined from Linux. Also: 8 ways I quickly leveled up my Linux skills - and you can too Trust me, there are riches in that open-source operating system. So, if you want to get serious about this, read on and consider these tips as e

Topics: learn linux need use want

YouTube is turning over age verification to AI

YouTube will start using machine learning to determine whether viewers should be on a teen account. The company said it plans to start using this AI application on a subset of US users in the coming weeks for a trial before rolling it out to the rest of the market. The tool will assess user behaviors including the types of videos being searched for, the categories of videos watched and how long the account has existed. When an account is deemed by machine learning to belong to a teen, YouTube wi

ChatGPT just got smarter: OpenAI’s Study Mode helps students learn step-by-step

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now OpenAI announced Study Mode for ChatGPT on Tuesday, a new feature that fundamentally changes how students interact with artificial intelligence by withholding direct answers in favor of Socratic questioning and step-by-step guidance. The launch represents OpenAI’s most significant push into the education technology market, which analysts p

OpenAI is launching a version of ChatGPT for college students

A handful of college students who were part of OpenAI’s testing cohort—hailing from Princeton, Wharton, and the University of Minnesota—shared positive reviews of Study Mode, saying it did a good job of checking their understanding and adapting to their pace. The learning approaches that OpenAI has programmed into Study Mode, which are based partially on Socratic methods, appear sound, says Christopher Harris, an educator in New York who has created a curriculum aimed at AI literacy. They might

Learning Is Slower Than You Think

It was just a question over breakfast. “What’s a metaphor?” Mira asked her father, spoon halfway to her mouth. He began to explain, but she interrupted: “So it’s when something isn’t what it is—but also is?” There was a silence at the table—not confusion, but recognition. She had already touched it, before any definition arrived. Before a lesson plan or rubric could intervene. That moment—so small, so ordinary—was also everything. Because this is how real learning often arrives: sideways, u

Teach Yourself Programming in Ten Years (1998)

Why is everyone in such a rush? The conclusion is that either people are in a big rush to learn about programming, or that programming is somehow fabulously easier to learn than anything else. Felleisen et al. give a nod to this trend in their book How to Design Programs, when they say "Bad programming is easy. Idiots can learn it in 21 days, even if they are dummies." The Abtruse Goose comic also had their take. Let's analyze what a title like Teach Yourself C++ in 24 Hours could mean: Teach

Developing our position on AI

If you’re not familiar with us, RC is a 6 or 12 week retreat for programmers, with an integrated recruiting agency. Ours is a special kind of learning environment, where programmers of all stripes grow by following their curiosity and building things that are exciting and important to them. There are no teachers or curricula. We make money by RC is a 6 or 12 week retreat for programmers, with an integrated recruiting agency. Ours is a special kind of learning environment, where programmers of al

Tesla’s Nightmare Continues as Musk Warns of ‘Rough Quarters’ Ahead

Tesla’s second-quarter earnings paint a grim picture: falling profits, slumping sales, and a reputation hit that keeps on hurting. The all-electric carmaker reported net income of $1.17 billion, down 16.3% from the same period in 2024. Revenue fell 12% to $22.5 billion from $25.5 billion a year earlier, marking Tesla’s second consecutive quarter of declining profits and revenue this year. The cause is clear: Tesla is selling fewer cars and cutting prices to chase demand. Deliveries fell 13.5%

Tesla’s Nightmare Continues As Musk Warns of “Rough Quarters”Ahead

Tesla’s second-quarter earnings paint a grim picture: falling profits, slumping sales, and a reputation hit that keeps on hurting. The all-electric carmaker reported net income of $1.17 billion, down 16.3% from the same period in 2024. Revenue fell 12% to $22.5 billion from $25.5 billion a year earlier, marking Tesla’s second consecutive quarter of declining profits and revenue this year. The cause is clear: Tesla is selling fewer cars and cutting prices to chase demand. Deliveries fell 13.5%

Google’s CEO says ‘AI is positively impacting every part of the business’

is a news editor covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. Google is all-in on AI, and based on the company’s latest quarterly earnings, AI has been good for its bottom line. In a press release for Alphabet’s Q2 2025 earnings, CEO Sundar Pichai says that “AI is positively impacting every part of the business” and that features like AI Overviews and AI Mode are “performing well.” The company is also planning to increase its planned ca

Computing’s Top 30: Tejas Chopra

Two minutes into his TedX talk on AI and the environment, Tejas Chopra notes that training a single large language model releases roughly the same amount of carbon dioxide into Earth’s atmosphere as 125 roundtrip flights from New York to Beijing. In keeping with his ever-practical approach, Chopra goes on to suggest several concrete ways to reduce AI’s carbon footprint by optimizing resource use, energy consumption, and AI decision-making across industries. An accomplished engineer specializin

AI coding agents are removing programming language barriers

For a decade (2014-2024), I was a Ruby-only developer. I worked across the Ruby ecosystem—from Rails development to Ruby’s core tooling like IRB, RDoc, and the debug gem. But while I moved around the stack, I stayed within Ruby’s boundaries. Ruby wasn’t just my primary language; it was essentially my only language. That changed in 2025. This year, I’ve contributed to Sorbet (C++), worked on RBS’s parser (C), and am now diving into ZJIT (Rust). A combination of factors enabled this shift—someth