Archive - Today I Learned

How do we know if AI is “working”?

Thoughts on AI deployment and real-world evaluation

Sep 25 • Tim Wu

Making Sense of Robotics Models

Five axes for understanding today’s models and the design choices behind their progress

Sep 21 • Tim Wu

The Simulation Gap in Robotics

What a pick-and-place Isaac Sim experiment taught me about sim-to-real

Sep 17 • Tim Wu

Teaching a Robot to Pick Up a Block

A comparison of ACT, SmolVLA, π0.5 and GPT-6 Astra on a pick-and-place task with the Hugging Face SO-101 robot arm

Sep 14 • Tim Wu

May 2026

On the danger of half-truths

The Citrini report and the messy reality of AI displacement

May 2 • Tim Wu

March 2026

In defense of middle powers

Carney's diagnosis: The end of the 20th century rules-based order

Mar 15 • Tim Wu

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