Assembling an ocean-bottom electromagnetometer (IMAGE) Woods Hole Oceanographic Institution Caption Assembling an ocean-bottom electromagnetometer, a receiver that records electric and magnetic fields. Credit ©Paige Koenig, co-author Usage Restrictions none 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.