Magnetic field sound waves

Despite being essential to life on Earth, the magnetic field isn’t something we can actually see in itself, or ever hear. But, remarkably, scientists at the Technical University of Denmark have taken magnetic signals measured by ESA’s Swarm satellite mission and converted them into sound – and for something that protects us, the result is pretty scary.

Read full news story: The scary sound of Earth’s magnetic field

Straight to audio: The sound of the magnetic field