Reactions of egg yolk under impact (IMAGE) American Institute of Physics Caption A) Reactions of egg yolk under translational impact. The shell was hit with a hammer to achieve translational acceleration. B) Reactions of egg yolk under rotational acceleration impact. The container was set to rotate instantaneously. C) Reactions of egg yolk under rotational deceleration impact. The rotation speed of the container was reduced sharply to create a deceleration impact on the egg yolk. Credit Ji Lang and Qianhong Wu Usage Restrictions Journalists may use this image only with appropriate credit. License Licensed content 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.