Researchers have recently identified 'dark electrons'—electrons undetectable using traditional spectroscopy—within solid materials. By examining palladium diselenide, the team discovered states ...

Supersolids are the predicted quantum version of a classical solid, which is defined as a fixed arrangement of atoms in a repeating crystal lattice. Supersolids, counterintuitively, can be both liquid ...

Deep inside what we perceive as solid matter, the landscape is anything but stationary. The interior of the building blocks of the atom's nucleus -- particles called hadrons that most of us would ...

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New research suggests that Earth’s solid inner core might not be as rigid as once believed. Instead, it could exist in an ...