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Features

Carbon Wonderland

Graphene, a newly isolated form of carbon, provides a rich lode of novel fundamental physics and practical applications

By Andre K. Geim and Philip Kim

Detecting Nuclear Smuggling

Radiation monitors at U.S. ports cannot reliably detect highly enriched uranium, which onshore terrorists could assemble into a nuclear bomb

By Thomas B. Cochran and Matthew G. McKinzie

Rulers of Light

A revolutionary kind of laser light called an optical frequency comb makes possible a more precise type of atomic clock and many other applications

By Steven Cundiff, Jun Ye and John Hall

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