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Graphene plasmons go ballistic

Squeezing light into tiny circuits and controlling its flow electrically is a holy grail that has become a realistic scenario thanks to the discovery of graphene. This tantalizing achievement is realized by exploiting so-called ...

dateJan 12, 2015 in Nanomaterials
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Image: Multicoloured view of supernova remnant

Most celestial events unfold over thousands of years or more, making it impossible to follow their evolution on human timescales. Supernovas are notable exceptions, the powerful stellar explosions that make stars as bright ...

dateDec 22, 2014 in Astronomy
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