Reaching superconductivity layer by layer

Imagine a sheet of material just one layer of atoms thick—less than a millionth of a millimeter. While this may sound fantastical, such a material exists: it is called graphene and it is made from carbon atoms in a honeycomb ...

To tax or not to tax, is that even a question?

Robin Hood would not even have had to become an outlaw if the markets had been more competitive and Nottingham's taxation office had known how to assess taxes efficiently.

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