News tagged with periodic structures

Chemists fabricate 'impossible' material

(PhysOrg.com) -- When atoms combine to form compounds, they must follow certain bonding and valence rules. For this reason, many compounds simply cannot exist. But there are some compounds that, although they ...

Apr 25, 2011 feature
4.8 / 5 (68) 9 | with audio podcast

Determining the quantum geometry of a crystal

Geometrical phases occur in many places in nature. One of the simplest examples is the Foucault pendulum: a tall pendulum free to swing in any vertical plane. Due to the earth rotation, the actual plane of ...

Nov 07, 2013
4.9 / 5 (7) 0 | with audio podcast