The average Hackaday reader likely knows, at least in the academic sense, what a magnetic field looks like. But as the gelatinous orbs in our skull can perceive only a tiny fraction of the EM ...

Evidence for this reversal can be seen across the world, largely by looking at magnetic field lines in the sediment records. While you may picture ancient human ancestors looking baffled as their ...

Earth’s poles flipped 42,000 years ago, weakening the magnetic field and flooding the planet with deadly radiation. 'Supernova Galaxy Revealed': Hubble showcases NGC 4900, home of stellar ...

when subjected to a magnetic field, cause the beads to rotate up or down, creating the color contrast required to display a ...