What Is the Sharpest Thing in the World?

Answer

The tips used in electron microscopes for shuffling atoms around are considered to be the sharpest objects in the world. The sharp tips are needed for making contact with metals or semiconductors. They are also used for the manipulation and examination of atoms, molecules and small particles.
Q&A Related to "What Is the Sharpest Thing in the World"
A properly sharpened diamond edge would most likely be the sharpest macroscopic object say with a width on the nano-meter scale. In terms of sharpest "anything" focused
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A single atom tip formed by chemically assisted spatially controlled field
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a needle? broken glass? answer mine? http://answers.yahoo.com/question/index;…
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I guess the answer to that would be what your definition of "thing" is. The fastest thing in the world is the speed of light. A Peregrine falcon is the fastest Living thing
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