@article{pisaexperimentsexploringphysicspost, title = {PISA Experiments: Exploring Physics Post-Training for Video Diffusion Models by Watching Stuff Drop}, author = {Chenyu Li and Oscar Michel and Xichen Pan and Sainan Liu and Mike Roberts and Saining Xie}, year = {2025}, eprint = {2503.09595}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2503.09595v1}, }