Topological materials become switchable

A donut is not a breakfast roll. Those are two very clearly distinguishable objects: One has a hole, the other does not. In mathematics, the two shapes are said to be topologically different—you cannot transform one into ...

Three US-based economists given Nobel Prize for work on banks

Former Federal Reserve Chair Ben Bernanke and two other U.S.-based economists won the Nobel Prize in economics for research into bank failures—work that built on lessons learned in the Great Depression and helped shape ...

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