Hair-raising animation won this Googler an Academy Award

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Simulation is a difficult computational problem, as it attempts to recreate a continuous physical world using a limited amount of compute power. To make the real world processable by computers, designers of a simulation must “discretize” or chunk the world into coarse pieces and calculate the physical interactions between those coarse chunks. Within those chunks, simulation designers must “parameterize,” or make assumptions about the behavior of the world, as computing the physics beyond this point would be too expensive. The art of simulation is tuning these assumptions and balancing the accuracy, scale and cost of the recreation of the physical world.

 

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