The Earth’s magnetic field is a shield that protects us from the sun’s harmful radiation. It’s a fascinating phenomenon that ...

And what does this mean for us as a species? During a pole reversal, Earth’s magnetic poles swap locations. Essentially, the ...

And while this magnetic levitation motor does not break the laws of thermodynamics, it can be considered a perpetual motion machine, at least for certain values of perpetuity. The motor that ...

Magnetic pole flips happen randomly, sometimes taking 10,000 to 50 million years. The last full reversal, the Brunhes–Matuyama event, occurred 780,000 years ago. Around 41,000 years ago ...