News tagged with electrons

Pulling iron out of waste printer toner

Someday, left-over toner in discarded printer cartridges could have a second life as bridge or building components instead of as trash, wasting away in landfills and potentially harming the environment. One group reports ...

dateNov 15, 2017 in Materials Science
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A new concept for a unidirectional waveguide

In the past decade, a new type of material has attracted raising attraction: the so-called topological insulator. This class of materials exhibits a very peculiar property: they behave like insulators in the interior, but ...

dateNov 07, 2017 in General Physics
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