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He became America's big man – but here is Barack Obama smaller than a grain of SALT.
These amazing 3-D mini Nanobama masterpieces show America's President-elect so tiny he is invisible to the naked eye.
Professor John Hart and his colleagues at the University of Michigan created them using 150million microscopic carbon nanotubes (CNTs).
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Prof Hart said: “Developments like this are an excellent way to bring the concepts of nanotechnology to a broader audience.
"Also, we thought it would be fun.”
Nanotechnology involves the engineering of systems on a molecular scale.
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