text is visible in ultraviolet light
A team of scientists from Yale University (USA), studying a map of the world, created in 1491 by the German cartographer Henricus Martellusom. Presumably, it is used by Christopher Columbus when planning their journey across the Atlantic, reports the Daily Mail.
This is a fairly large for its time card measuring 4 by 6.5 meters. In addition to being shown in her continents are different from those that were painted on the extant maps of the time, Martellusnanes inflicted on his work hidden text that can be seen only under ultraviolet light.
Most of this text while not parse as extraction 523-year-old text was not an easy task. Scientists first scanned the card at Yale University, then photographed it using 12 different types of lighting – from ultraviolet to infrared, and now begun to analyze the images.
See also: Archaeologists have found the cup commander Pericles It is expected that in addition to various details pertaining to the designated on the area map, hidden text will shed light on the very history of cartography. Scientists promise to share the results of his findings later.
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