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The smallest word

Each blue blob on this image is a xenon atom. Scientists working for IBM used a scanning tunnelling microscope to move the atoms around and write their company logo. Each atom is one tenth of a nanometre wide, so this entire word could be written 14 million times onto a stamp.



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Each blue blob is a xenon atom arranged using a microscope.
Each blue blob is a xenon atom arranged using a microscope.
Image: IBM

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