This captivating effect was captured through a fairly messy experiment. Ferrofluid, a fairly unique liquid was placed into a Petri dish which was then suspended above a fishing magnet which in reaction created this spike-like effect. This is in part due to the presence of tiny particles of ferromagnetic materials, typically nanoscale-sized particles of iron or iron oxide. When exposed to a magnetic field, such as that generated by the fishing magnet, the ferromagnetic particles in the ferrofluid align themselves along the field lines in part to lower their energy. However, surface tension from the liquid limits the extent to which they can align themselves with the field.