Applying Rocket Technology to Sewage Treatment (image) Stanford University Share Print E-Mail Caption Stanford engineer Brian Cantwell and colleagues originally designed this nitrous oxide thruster for spacecraft. A similar device could be used at wastewater treatment plants to decompose nitrous oxide gas into hot air. Credit COURTESY: Brian Cantwell, Stanford University Usage Restrictions Graphics and photographs are provided subject to the following restrictions: Photographs provided by the Woods Institute for the Environment at Stanford University are to be used - with appropriate credit - for editorial purposes only. Flopping, altering or otherwise embellishing these photos in any way that changes the photographs' editorial content is prohibited. Permission is for one-time use only. Supplied image file must be deleted after use. 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.