Blog

Can You Predict Motion Without Understanding Physics?

Watch a ball move in seemingly random patterns. Can you predict its next position without knowing the underlying physics?

Core Francisco ParkNovember 17, 20255 min read
physics
chaos
prediction

Learning World Representations: A Complete Research Journey

A comprehensive trace of training transformer models to learn spatial representations of world geography—from initial city visualizations to tackling geodesic distance prediction and binary classification tasks with 1,603 timestamped research events.

Core Francisco ParkNovember 10, 202530 min
transformers
spatial-reasoning
world-models
machine-learning
research-tracking

Think Aloud Analysis of Research

Tracking and visualizing the evolution of ideas, experiments, and insights through interactive research flow diagrams.

Core Francisco ParkSeptember 23, 202518 min read
research-tracking
machine-learning
diffusion-models
meta-research

Virtual Async: Simulating Jobs with Virtual Time

An interactive Python simulator for testing async job systems with virtual time. Try the CLI directly in your browser - no installation needed!

Core Francisco ParkSeptember 23, 20255 min
simulation
async
python
interactive
cli

Reproducing Algorithmic Collusion by LLMs (Fish et al. 2024) with recent models

Interactive reproduction of algorithmic collusion experiments using a recent model (Gemini 2.5 Flash Lite). 50 simulations and interactive reasoning visualization.

Core Francisco ParkSeptember 14, 20252 min
AI
research
economics
game-theory

How Tokenization Works: An Interactive Visualizer

Explore how different tokenizers break down text into tokens with this interactive visualizer. Compare BPE, WordPiece, and character-level tokenization strategies.

Core Francisco ParkAugust 28, 20258 min read
NLP
LLMs
tokenization

Double Pendulum Chaos: Visualizing Sensitive Dependence

Interactive simulation of multiple double pendulums demonstrating chaotic behavior and sensitive dependence on initial conditions.

Core Francisco ParkAugust 24, 20256 min read
physics
chaos
simulation

Gradient Optimizer Comparison: Racing Through Loss Landscapes

Interactive comparison of gradient descent optimizers including SGD, Adam, Muon, and Shampoo navigating 2D loss landscapes.

Core Francisco ParkAugust 24, 20258 min read
optimization
machine learning
deep learning

Visualizing Random Walks

Interactive visualization and exploration of random walks in 2D space with real-time statistics.

Core Francisco ParkAugust 23, 20255 min read
simulation
probability

Welcome to My Blog

An introduction to my personal blog.

Core Francisco ParkAugust 22, 20251 min read
test
AI
LLMs
NLP
async
chaos
cli
deep learning
diffusion-models
economics
game-theory
interactive
machine learning
machine-learning
meta-research
optimization
physics
prediction
probability
python
research
research-tracking
simulation
spatial-reasoning
test
tokenization
transformers
world-models
Beta Research →