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New optical tweezers trap specimens just a few nanometers across
To grasp and move microscopic objects, such as bacteria and the components of living cells, scientists can harness the power of concentrated light to manipulate them without ever physically touching ... more
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How 'transparent' is graphene?
The amazing electrical, optical and strength properties of graphene, a single-atom-thick layer of carbon, have been extensively researched over the last decade. Recently, the material has been studi ... more
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A graphene nanotube hybrid
A seamless graphene/nanotube hybrid created at Rice University may be the best electrode interface material possible for many energy storage and electronics applications. Led by Rice chemist James T ... more
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Study of risks to humankind proposed
British researchers say they want to create a Center for the Study of Existential Risk to analyze the ultimate risks to the future of mankind. ... more
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