Hair Simulation (2 of 2) (image) American Mathematical Society Share Print E-Mail Caption Penny's hair from BOLT is simulated using a clumping technique. Only a few hundred hairs were simulated, and the rest are added at render time. Image copyright Disney Enterprises, Inc. Credit Copyright Disney Enterprises, Inc. Usage Restrictions Contact Dayna Meltzer, Dayna.Meltzer@disneyanimation.com, Disney Enterprises, Inc., for permission to use this image. Share Print E-Mail 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.