You’ve seen magnetic slime robots, now listen to a strange sound clip of Earth’s magnetic field. This dynamic bubble protects us from cosmic radiation and charged particles carried by powerful winds flowing from the Sun. When these particles hit atoms and molecules in the upper atmosphere, some of the energy in the collisions becomes the Aurora Borealis light show that many have witnessed.
Our magnetic field is basically a superheated, swirling liquid iron around the outer core located approximately 3000 km beneath our feet. It’s essentially a spinning conductor in a bicycle dynamo generating electrical currents, which in turn, form our continuously changing electromagnetic field. The European Space Agency (ESA) launched a trio of Swarm satellites in 2013 to better understand our magnetic field by generating the magnetic signals from Earth’s core, mangle, crust, oceans, ionosphere, and magnetosphere.
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We gained access to a very interesting sound system consisting of over 30 loudspeakers dug into the ground at the Solbjerg Square in Copenhagen. We have set it up so that each speaker represents a different location on Earth and demonstrates how our magnetic field has fluctuated over the last 100 000 years.The rumbling of Earth’s magnetic field is accompanied by a representation of a geomagnetic storm that resulted from a solar flare on November 3, 2011, and indeed it sounds pretty scary,” said the ESA.
