Extender (IMAGE) DOE/Fermi National Accelerator Laboratory Caption This newly designed high-voltage extender helps create a 300,000-volt electric field between the top and bottom of the vertical drift prototype detector. Credit Photo: DUNE collaboration Usage Restrictions No restrictions License Original 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.