ARLA/CLUSTER: Usando frequencias em Terahertz para "ler livros" sem os abrir

[João Costa > CT1FBF]

Judging a book through its cover

New computational imaging method identifies letters printed on first nine
pages of a stack of paper, using Terahertz radio waves

In the latest issue of Nature Communications, the researchers describe a
prototype of the system, which they tested on a stack of papers, each with
one letter printed on it. The system was able to correctly identify the
letters on the top nine sheets.

“The Metropolitan Museum in New York showed a lot of interest in this,
because they want to, for example, look into some antique books that they
don’t even want to touch,� says Barmak Heshmat, a research scientist at the
MIT Media Lab and corresponding author on the new paper. He adds that the
system could be used to analyze any materials organized in thin layers,
such as coatings on machine parts or pharmaceuticals.

https://news.mit.edu/2016/computational-imaging-method-reads-closed-books-0909
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