Pumps (image) Okinawa Institute of Science and Technology (OIST) Graduate University Share Print E-Mail Caption The sample is suspended in water vapor, which is pumped into the portion of the tube surrounding the sample and rapidly pumped out again. Credit OIST Usage Restrictions Use appropriate 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.