# IFM's PAN 2 demo video shows ink spreading in water with physics questions

> Original title: This is a demo video from IFM's PAN 2:

- Source: Santiago
- Published: 2026-11-10T17:19:37.000Z
- Bad Influence: https://badinfluence.news/items/jv9aocol1j9ky4ve6bgg7rkze
- Original: https://x.com/svpino/status/2120204747424800843

## Summary

Santiago (@svpino) shares an IFM demo video of PAN 2, an open foundation world model, showing ink added to a test tube of water. He asks viewers whether anything in the video looks physically off, since the expected dispersion is familiar.

## Post

This is a demo video from IFM's PAN 2:

Someone adds ink to a test tube of water.

Our brains know what this should look like. We've seen it before a million times.

Look at this video and tell me if anything looks off to you.

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2120204735001268224%2Fimg%2Fkw4_GkWBjcNaEkku.jpg&mode=thumb&exp=1794528000&sig=20573085d664bd6e)

## Quoted post @IFM_AI

> Introducing PAN 2: an open foundation world model for physical intelligence.
> 
> A language model predicts the next word. PAN 2 predicts the next world: what happens after each action, grounded in time, physics and space.
> 
> Towards AI that simulates “what if?” before it acts.
> 
> More details: https://ifm.ai/pan/

https://x.com/IFM_AI/status/2120199814696828942