Scientists Find Strange Matter at Earth's Center

Deep inside Earth lies the inner core, a solid ball of iron at extreme temperatures and pressures. Scientists at Science Tokyo have discovered something surprising about this distant region. Their new research shows that iron hydride, a combination of iron and hydrogen, may change into a special state of matter under these conditions. This state is called superionic, where atoms behave in unusual ways.

The team used special tools called diamond-anvil cells to create these extreme conditions. They heated tiny samples with lasers while applying crushing pressure. These experiments mimicked the environment at Earth's core. The researchers observed clear signs that the iron hydride had entered the superionic state. In this state, hydrogen atoms move freely through the solid iron structure, creating a strange hybrid form of matter.

These discoveries give us new understanding of Earth's deep interior. The findings may explain features of our planet that scientists have long debated. This research also suggests the core is more dynamic than previously thought. Future studies will explore how this exotic state affects Earth's magnetic field and heat flow.

Sources: phys.org