Personal Digital Things

Notes, articles and important links.

About Me

Gleison Caetano

Distinguished Software Engineer, Data Scientist, AI Certified

Article

Nuclear Fusion Power Plant Being Built Outside Boston

Commonwealth Fusion Systems is assembling SPARC, a tokamak that smashes atoms in 100-million-degree plasma to replicate the energy of the sun — with no radioactive waste. With $2B raised, they aim to build the world's first fusion-fueled power plant by the early 2030s.

Video

The ONE Skill Every High Performer Needs To Master

Deep dive into the single most critical skill separating high performers from the rest — how to develop it, why most people neglect it, and the compounding effect it has across every area of work and life.

Video

Live Coding Session with Claude Code and Boris

A live coding session showcasing Claude Code in action alongside Boris, demonstrating real-time AI-assisted software development.

Tool

Gauthmath — AI Math Solver

AI-powered math problem solver covering arithmetic, algebra, calculus, and more. Snap a photo of any math problem and get step-by-step solutions instantly.

Video

Chamath: AI Coding Is Not Ready for Enterprise

On the All-In Podcast, Chamath Palihapitiya argues that AI-enabled coding is still just 5% of the market and that current models cannot reliably produce enterprise-grade software without human oversight.

Careers

Hedgineer Technologies — Open Roles

AI-powered platforms for hedge funds and asset managers. Building agentic systems and LLM tools that transform investment workflows across research, risk, and operations.

Video

Andrej Karpathy just built GPT-2 from scratch on camera

Transformer blocks. Self-attention. MLP. Mixed precision. Flash Attention. AdamW. Distributed training across GPUs.

AI

Saving tokens

High-performance CLI proxy that reduces LLM token consumption by 60-90%

Article

Donald Trump has once again threatened Iran

Donald Trump has once again threatened Iran with serious consequences if a nuclear deal is not reached.

Article

What 81K people want from AI

Tens of thousands of people shared their expectations for artificial intelligence in a recent survey.

Article

Study: Customer Churn Prediction

Explore how machine learning can be used to predict customer churn and improve retention strategies.

Idea

AI Power

Travelled to Ancient Rome.

Article

Brain chip cuts AI energy use by 70%

Cambridge researchers developed a hafnium oxide memristor that combines memory and processing in one place, potentially reducing AI energy consumption by up to 70%.

Article

OpenAI launches GPT-5.5

New model with improvements in coding, computer use, and deep research. Available to Plus, Pro, Business, and Enterprise subscribers on ChatGPT and Codex, at double the price of GPT-5.4.

Article

Anthropic seals mega-deal with Alphabet and Broadcom

Starting in 2027, Anthropic will use multiple gigawatts of next-gen Alphabet/Broadcom TPUs. It also partnered with NEC to build Japan's largest AI engineering force.

Research

DeepSeek mHC: a new scaling paradigm

DeepSeek's paper introduces Manifold-Constrained Hyper-Connections, a technique that promises to reshape AI model scaling by optimizing connections on manifolds with substantial efficiency gains.

Regulation

EU may classify ChatGPT as a VLOP

The European Union is about to bring ChatGPT under the Digital Services Act as a "Very Large Online Platform" after OpenAI's search surpassed 120 million monthly EU users, imposing strict transparency obligations.

Video

Jarred Sumner: Creator of Bun

Meet the developer behind Bun, the all-in-one JavaScript runtime built for speed. Jarred shares the story of building Bun from scratch, the philosophy behind it, and what's next for the project.

Technology

Flipbook: the end of HTML?

What if every pixel on your screen were streamed live directly from an AI model? No HTML, no layout engine, no code — just exactly what you want to see. Flipbook reimagines the interface as a pure visual stream generated by artificial intelligence.