Leonardo Da Vinci's masterpiece has become the subject of a remarkable nanoscopic experiment.
The most reproduced piece of art in history, the Mona Lisa's enigmatic smile has now been painted on to an area just 30 microns across, the equivalent to one third the width of a human hair. The feat was accomplished by a team from Georgia Tech who used an atomic force microscope and a special process known as ThermoChemical NanoLithography to apply the image to its tiny canvass.
Each pixel in the picture represents a confined set of chemical reactions which can be controlled by the amount of heat applied. "This technique should enable a wide range of previously inaccessible experiments and applications in fields as diverse as nanoelectronics, optoelectronics and bioengineering," said study researcher Jennifer Curtis.
"Using a novel nanotechnique, researchers have made a miniature Mona Lisa that stretches 30 microns across, just a third of the width of a human hair."
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Source: Discovery News
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