Magnetism
Latest about magnetism
Ancient Australian Crystals Unlock History of Earth's First Magnetic Field
By Rafi Letzter published
It was a lot more powerful than anyone believed.
First-of-Its-Kind Neutron Star Flashes Bizarre 'Cyclotron Line' at Earth
By Rafi Letzter published
Neutron stars have never been caught behaving this way before.
How Do Compasses Tell Which Way Is North at the South Pole?
By Chia-Yi Hou published
As compasses draw closer to the magnetic North and South Poles, they become less reliable.
Earth's Magnetic Poles Can Flip Much More Often Than Anyone Thought
By Yasemin Saplakoglu published
Earth's magnetic field flipped 26 times every million years during the Cambrian period, the highest frequency ever documented.
What If Earth's Magnetic Field Disappeared?
By Stephanie Pappas published
Earth's magnetic field is weakening, but it's not the end of the world.
Magnetars Can Crack Themselves Open and Bombard Earth with Gamma-Ray Flares, New Theory Suggests
By Rafi Letzter published
Three giant gamma-ray flares have been detected in the last 40 years. A new paper on magnetars cracking themselves open could explain why.
Epic 'Terminator' Events Could Result in Gargantuan Solar Tsunamis, New Studies Suggest
By Brandon Specktor published
What causes the sun's 11-year cycle of sunspot activity? According to two new studies, it could be literal tsunamis of plasma.
In a Lab Accident, Scientists Create the First-Ever Permanently Magnetic Liquid
By Yasemin Saplakoglu published
These liquid droplets can morph into various shapes and be externally manipulated to move around.
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