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Archimedes' Ancient Text Revealed By Particle Acceleration

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posted on May, 21 2005 @ 11:40 PM
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Causing invisible ink to glow

BALTIMORE, Maryland (AP) -- A particle accelerator is being used to reveal the long-lost writings of the Greek mathematician Archimedes, work hidden for centuries after a Christian monk wrote over it in the Middle Ages.

Highly focused X-rays produced at the Stanford Linear Accelerator Center in Menlo Park, California were used last week to begin deciphering the parts of the 174-page text that have not yet been revealed.

The X-rays cause iron in the hidden ink to glow.




Scholars believe the treatise was copied by a scribe in the 10th century from Archimedes' original Greek scrolls, written in the third century B.C.

It was erased about 200 years later by a monk who reused the parchment for a prayer book, creating a twice-used parchment book known as a "palimpsest."



About 80 percent of the text has been uncovered so far.

"It's the only one that contains diagrams that may bear any resemblance to the diagrams Archimedes himself drew in the sand in Syracuse 2000 years ago," Noel said.



While reading an article on the text, Stanford physicist Uwe Bergmann realized he could use a particle accelerator to detect small amounts of iron in the ink. The electrons speeding along the circular accelerator emit X-rays that can be used to cause the iron to fluoresce or glow.

"Anything which contains iron will be shown, and anything that doesn't contain iron will not be shown," Bergmann said.



The so-called Archimedes Palimpsest includes the only copy of the treatise "Method of Mechanical Theorems," in which Archimedes explains how he used mechanical means to develop his mathematical theorems. It is also the only source in the original Greek for the treatise "On Floating Bodies," in which Archimedes deals with the physics of flotation and gravity.


www.cnn.com...

Mr. Bergmann's process is just as brilliant as what might be deciphered from the text. Archimedes was a luminary of the ancient world and I anxiously await to study these Treatises long obscured.




posted on May, 26 2005 @ 12:17 AM
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Now that's innovation.



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