Nanowire (IMAGE) University of Copenhagen - Niels Bohr Institute Caption A nanowire device similar to those used in the study is pictured. The semiconducting nanowire (green), one-thousandth the width of a human hair, is coated with a superconductor (light blue) and electrically contacted with gold leads and electrostatic gates (yellow). Credit (Credit: Shivendra Upadhyay / Sven Albrecht) Usage Restrictions (Credit: Shivendra Upadhyay / Sven Albrecht) License Licensed 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.