Guinness World Records - Officially Amazing

Smallest electric motor

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For the record

  • Who: Department of Chemistry Tufts University

  • What: Smallest electric motor

  • Where: United States

The world’s smallest electric motor measures one nanometre across and consists of a single molecule of butyl methyl sulphide on a copper surface. The molecule spins under the influence of electric charge introduced by the tip of a scanning tunnelling microscope. This work was achieved by scientists at the Department of Chemistry, Tufts University, Massachusetts, USA, and announced in September 2011.

 

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