Measuring the Nanoworld (image) University of Freiburg Share Print E-Mail Caption Researchers from around the world established a benchmark for the FRET technology by measuring distances within DNA molecules with sub-nanometer precision. Credit Source: Hugo Sanabria, Nandakumar Chedikulathu Vishnu/Universität Clemson Usage Restrictions the image may only be used with appropriate caption or 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.