Microscope (image) Forschungszentrum Juelich Caption Using the tip of a scanning tunnelling microscope (above), which is only a few atoms in size, the researchers conducted electric current through a magnetic double-decker molecule placed on a copper layer. A neodymium atom (red) is located at the centre of the molecule. Credit Forschungszentrum Jülich Usage Restrictions Image may only be used with appropriate credit. 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.