News tagged with defects

Damaging graphene to create a band gap

( -- "Graphene offers a lot of interesting potential applications for nanoelectronics," Florian Banhart tells, "but there is no band gap. This is a well-known problem. Without the band gap, switching ...

dateNov 22, 2010 in Nanophysics feature
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Skin color: Handy tool for teaching evolution

Variations in skin color provide one of the best examples of evolution by natural selection acting on the human body and should be used to teach evolution in schools, according to a Penn State anthropologist.

dateFeb 20, 2011 in Evolution
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