The app sends local magnetic field strength along with your phone’s position and orientation to scientists, who use the data to fine-tune magnetic field models.
Magnetic and electrical methods
Theodore Richard Madden (1925–2013)
Madden, an AGU Fellow and a lifelong professor of geophysics at the Massachusetts Institute of Technology, was fascinated with all things electromagnetic. He died on 11 November 2013 at age 88.
A Noninvasive Way to Study Groundwater-Dependent Ecosystems
Scientists used a noninvasive method to study the substructure of delicate groundwater-dependent ecosystems.
