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Text Reveals More Ancient Secrets


Jun
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From here - http://news.bbc.co.uk/2/hi/technology/6591221.stm

and also more here - http://news.nationalgeographic.com/news/20...html?source=rss

 

Text reveals more ancient secrets By Rebecca Morelle

Science reporter, BBC News 999999.gif

o.giflaun.jpg The commentary on Aristotle lay hidden within the parchment inline_dashed_line.gif

open_icon.gifMore details

Experts are "lost for words" to have found that a medieval prayer book has yielded yet another key ancient text buried within its parchment.

 

Works by mathematician Archimedes and the politician Hyperides had already been found buried within the book, known as the Archimedes Palimpsest.

 

But now advanced imaging technology has revealed a third text - a commentary on the philosopher Aristotle.

 

Project director William Noel called it a "sensational find".

 

The prayer book was written in the 13th Century by a scribe called John Myronas.

 

o.gifstart_quote_rb.gif Just the fact that I could see the words gave me shivers end_quote_rb.gif

Professor Roger Easton

 

But instead of using fresh parchment for his work, he employed pages from five existing books.

 

Dr Noel, curator of manuscripts at the US-based Walters Art Museum and a co-author of a forthcoming book on the Archimedes Palimpsest, said: "It's a rather brutal process, but it means you can reuse parchment if you are short of it.

 

"You take books off shelves, you scrub off the text, you cut them up and you make a new book."

 

In 1906 it came to light that one of the books recycled to form the medieval manuscript contained a unique work by Archimedes.

 

_42845993_archemedes_203.jpg Archimedes was a mathematician from what is now Sicily

 

And in 2002, modern imaging technology not only provided a clearer view of this famous mathematician's words, but it also revealed another text - the only known manuscript of Hyperides, an Athenian politician from the 4th Century BC.

 

"At this point you start thinking striking one palimpsest is gold, and striking two is utterly astonishing. But then something even more extraordinary happened," Dr Noel told the BBC News website.

 

One of the recycled books was proving extremely difficult to read, explained Roger Easton, a professor of imaging science at Rochester Institute of Technology, US.

 

"We were using a technique called multispectral imaging," he said.

 

This digital imaging technique uses photographs taken at different wavelengths to enhance particular characteristics of the imaged area.

 

Subtle adjustments of this method, explained Professor Easton, suddenly enabled these hidden words to be revealed.

 

"Even though I couldn't read Ancient Greek, just the fact that I could see the words gave me shivers," he said.

 

Foundations of logic

 

An international team of experts began to scrutinize the ancient words, explained Reviel Netz, professor of ancient science at Stanford University, US, and another co-author of the palimpsest book.

 

_41954252_ssrl_hi_08_203.jpg The paintings and words in the prayer book cover the hidden works

 

A series of clues, such as spotting a key name in the margin, led the team to its conclusion.

 

"The philosophical passage in the Archimedes Palimpsest is now definitely identified as a relatively early commentary to Aristotle's Categories," said Professor Netz.

 

He said that Aristotle's Categories had served as the foundation for the study of logic throughout western history.

 

Further study has revealed the most likely author of this unique commentary is Alexander of Aphrodisias, Professor Robert Sharples from University College London, UK, told BBC News.

 

If this is the case, he said, "it gives us part of a commentary previously supposed lost by the most important of those ancient commentators on Aristotle".

 

o.gifstart_quote_rb.gif I am at a loss for words at what this book has turned out to be end_quote_rb.gif

Dr Will Noel

 

A provisional translation of the commentary is currently being undertaken.

 

It reveals a debate on some aspects of Aristotle's theory of classification, such as: if the term "footed" is used for animals, can it be used to classify anything else, such as a bed?

 

The passage reads:

 

For as "foot" is ambiguous when applied to an animal and to a bed, so are "with feet" and "without feet". So by "in species" here [Aristotle] is saying "in formula".

 

For if it ever happens that the same name indicates the differentiae of genera that are different and not subordinate one to the other, they are at any rate not the same in formula.

 

Dr Noel said: "There is no more important philosopher in the world than Aristotle. To have early views in the 2nd and 3rd Century AD of Aristotle's Categories is just fantastic.

 

"We have one book that contains three texts from the ancient world that are absolutely central to our understanding of mathematics, politics and now philosophy," he said.

 

He added: "I am at a loss for words at what this book has turned out to be. To make these discoveries in the 21st Century is frankly nutty - it is just so exciting."

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Jun, I was expecting a big ancient secret! Was there anything else more exciting than the logic behind the appropriate nomenclature given for the word feet? Footed animals or footed bed? I thought perhaps something more mystical or of alchemy. :HaHa:

 

Of course, the big ancient secret is probably the fact they reused their paper back then. So, I suppose now we should do that special imaging on all manuscripts written before a certain time period. Now that's a kuel secret. Knowing that now... no telling what we may find. :ohmy:

 

Thanks for the article Jun!

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Jun, I was expecting a big ancient secret! Was there anything else more exciting than the logic behind the appropriate nomenclature given for the word feet? Footed animals or footed bed? I thought perhaps something more mystical or of alchemy. :HaHa:

 

Of course, the big ancient secret is probably the fact they reused their paper back then. So, I suppose now we should do that special imaging on all manuscripts written before a certain time period. Now that's a kuel secret. Knowing that now... no telling what we may find. :ohmy:

 

Thanks for the article Jun!

 

Yeah, I kinda hoped they would reveal something a little more than Aristotle's theory of classification. Still a cool finding. I found it interesting that scientific studies had been scrubbed out to be used as a Christian prayer book - really does show Christianity's contempt for science.

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