Science
How do good metals go bad? New measurements have solved a mystery in solid state physics: How is it that certain metals do not seem to adhere to the valid rules? – Science Daily
So-called ‘bad metals’ are materials right at the border between metal and insulator: tiny changes in chemical composition turn the metal into an insulator – or…

We all have a clear picture in mind when we think of metals: We think of solid, unbreakable objects that conduct electricity and exhibit a typical metallic sheen. The behaviour of classical metals, for example their electrical conductivity, can be explained with well-known, well-tested physical theories.But there are also more exotic metallic compounds that pose riddles: Some alloys are hard and brittle, special metal oxides can be transparent. There are even materials right at the border between…
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