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Small Wonders In the world of nanotechnology, good things come in really small packages.

By Andrea Cooper

Opinions expressed by Entrepreneur contributors are their own.

Brian Ruby calls himself the paparazzo of the nano world. His Seattle company, Carbon Nanoprobes Inc., takes photographs of very tiny things. It has created a nanotube-tipped probe designed to improve the microscopes used in nanotechnology.

The company, with five full-time employees and three rounds of financing, is in discussions with instrument manufacturers and hopes to begin making sales by the end of the year. Ruby, 24, first synthesized carbon nanotubes as a teenage intern at IBM, and he started Carbon Nanoprobes when he was a sophomore at Columbia University.