Mastering AI Video: Navigating Physics for Realism and QualityMastering AI Video: Navigating Physics for Realism and Quality
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The hardest thing in AI video right now isn't the image quality. It's the physics.
The specific brief was: “Subject stands in a rainforest. He pushes a large leaf aside to reveal the view.”
This destroys most models. Hands blend into leaves, textures warp, and the "push" lacks weight.
To solve this, I used Nano Banana to generate the perfect composition first.  Then, moving to Google Veo 3.1, the prompt engineering had to be precise. I didn't just ask for movement; I described the resistance of the plant and the biomechanics of the arm.
The result? A biological interaction that feels grounded, not floaty.
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