Don't Panic Geocast

Join us to talk about the Earth’s magnetic field. It protects us and has complication on more levels than you think. It produces the aurora and helps us date rocks and structures! Three Cat.4 Hurricanes in the Pacific Godzilla El Nino Magnetic Field History William Gilbert On the Magnet OU Galileo Exhibit Geodynamo Dynamo theory Inner core Outer core Magnetohydrodynamics Geocentric Axial Dipole Hypothesis (GAD) Glatzmaier-Roberts geodynamo model notes The Core (movie) Geomagnetic pole The Magnetic Field Magnetic inclination Magnetic declination Been around about 3 billion years Reverses from time to time (some details) Secular variation Archaeomagnetic dating USGS Geomagnetism Program Find your magnetic field at the NGDC Aurora Tesla (unit) Ionospheric dynamo Radio propagation National High Magnetic Fields Laboratory Magnetic Field Sensors Proton precession magnetometer Fluxgate magnetometer SQUID Caesium vapor magnetometer John’s 3D-Compass @StationCDRKelly Fun Paper Friday Studying ro