Update index.md

Author: fhyuancn

docs/index.md

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 # Integrating AI Tools with Physics-based Models
 
+![Day 2 morning whiteboard or notes photo](assets/whiteboards/day2_morning_whiteboard1.jpg)
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 ![notes photo](assets/Picture1.png)
 
 In what ways can AI tools and physics-based models can complement each other to mitigate their weaknesses?
@@ -40,15 +42,16 @@ This project presents a physics-based signal correction framework for removing
     Breakout Room #: Auditorium
 
     [ESIIL staff edit in Markdown](https://github.com/CU-ESIIL/Summit_group_2026_14/edit/main/docs/index.md?plain=1#L28){ .md-button target="_blank" rel="noopener" }
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+![Team hero image](assets/hero/hero.png)
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 ![Team hero image](assets/Picture3.png)
 ![Team hero image](assets/hero/hero2.png)
 
 ![Team hero image](assets/Picture2.png)
 ![Team hero image](assets/fig2.png)
 
-![Team hero image](assets/hero/hero.png)
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 !!! note "How to replace the image above"