Particles in a Vacuum Chamber (2 of 2) (image) Emory Health Sciences Share Print E-Mail Caption The Burton lab studies tiny, plastic particles as a model for more complex systems. The particles are suspended in a vacuum chamber filled with a plasma, ionized argon gas. Credit Photo by Justin Burton, Emory University Usage Restrictions Must include credit. 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.