Basic Research on Spin Caloritronics (image) Bielefeld University Share Print E-Mail Caption In this experimental design, the sample is stretched between two copper blocks. One is hot; the other, cold. The coils generate the magnetic field; the contact pins measure the tension. Credit Photo: Bielefeld University 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.