Researchers Use Lasers to Study Ancient Peruvian Mummies — VOA Learning English
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For more than 5,000 years, humans have covered themselves with permanent artistic designs known as tattoos.
In a recent study, researchers used lasers to uncover highly complex designs of ancient tattoos on mummies from Peru.
The skin of the mummies and the black liquid, or ink, used to make the tattoos permitted researchers to observe fine details. These marks are not visible to the human eye, said study co-writer Michael Pittman of the Chinese University of Hong Kong.
The researchers examined around 100 mummies dating to around 775 years ago. The mummies were from coastal Peru’s Chancay culture, which grew and developed before the Inca empire and the arrival of Europeans.
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