Hair Simulation (1 of 2) (image) American Mathematical Society Caption All hairs are simulated in this hybrid volumetric/geometric collision algorithm developed by two of the authors, Aleka McAdams and Joseph Teran (together with additional co-authors). Credit Copyright Disney Enterprises, Inc. Usage Restrictions Contact Dayna Meltzer, Dayna.Meltzer@disneyanimation.com, Disney Enterprises, Inc., for permission to use this image. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.