Previously hidden writings of the ancient Greek mathematician Archimedes are being uncovered with powerful X-ray beams nearly 800 years after a Christian monk scrubbed off the text and wrote over it with prayers.
Over the past week, researchers at Stanford University's Linear Accelerator Center in Menlo Park have been using X-rays to decipher a fragile 10th century manuscript that contains the only copies of some of Archimedes' most important works.
The X-rays, generated by a particle accelerator, cause tiny amounts of iron left by the original ink to glow without harming the delicate goatskin parchment.
"We are gaining new insights into one of the founding fathers of western science," said William Noel, curator of manuscripts at Baltimore's Walters Art Museum, which organized the effort. "It is the most difficult imaging challenge on any medieval document because the book is in such terrible condition."
Following a successful trial run last year, Stanford researchers invited X-ray scientists, rare document collectors and classics scholars to take part in the 11-day project.
It takes about 12 hours to scan one page using an X-ray beam about the size of a human hair, and researchers expect to decipher up to 15 pages that resisted modern imaging techniques. After each new page is decoded, it is posted online for the public to see.
On Friday, members of the public watched the decoding process via a live Web cast arranged by the San Francisco Exploratorium.
"We are focusing on the most difficult pages where the scholars haven't been able to read the texts," said Uwe Bergmann, the Stanford physicist heading the project.
Born in the 3rd century BC, Archimedes is considered one of ancient Greece's greatest math-ematicians, perhaps best known for discovering the principle of buoyancy while taking a bath.
The 174-page manuscript, known as the Archimedes Palimpsest, contains the only copies of treatises on flotation, gravity and mathematics. Scholars believe a scribe copied them onto the goatskin parchment from the original Greek scrolls.
Three centuries later, a monk scrubbed off the Archimedes text and used the parchment to write prayers at a time when the Greek mathematician's work was less appreciated. In the early 20th century, forgers tried to boost the manuscript's value by painting religious imagery on some of the pages.
BRUSHED OFF: An ambassador to Australia previously said that Beijing does not see a reason to apologize for its naval exercises and military maneuvers in international areas China set off alarm bells in New Zealand when it dispatched powerful warships on unprecedented missions in the South Pacific without explanation, military documents showed. Beijing has spent years expanding its reach in the southern Pacific Ocean, courting island nations with new hospitals, freshly paved roads and generous offers of climate aid. However, these diplomatic efforts have increasingly been accompanied by more overt displays of military power. Three Chinese warships sailed the Tasman Sea between Australia and New Zealand in February, the first time such a task group had been sighted in those waters. “We have never seen vessels with this capability
A Japanese city would urge all smartphone users to limit screen time to two hours a day outside work or school under a proposed ordinance that includes no penalties. The limit — which would be recommended for all residents in Toyoake City — would not be binding and there would be no penalties incurred for higher usage, the draft ordinance showed. The proposal aims “to prevent excessive use of devices causing physical and mental health issues... including sleep problems,” Mayor Masafumi Koki said yesterday. The draft urges elementary-school students to avoid smartphones after 9pm, and junior-high students and older are advised not
Philippine President Ferdinand Marcos Jr has fired his national police chief, who gained attention for leading the separate arrests of former Philippine president Rodrigo Duterte on orders of the International Criminal Court and televangelist Apollo Carreon Quiboloy, who is on the FBI’s most-wanted list for alleged child sex trafficking. Philippine Executive Secretary Lucas Bersamin did not cite a reason for the removal of General Nicolas Torre as head of the 232,000-member national police force, a position he was appointed to by Marcos in May and which he would have held until 2027. He was replaced by another senior police general, Jose
POWER CONFLICT: The US president threatened to deploy National Guards in Baltimore. US media reports said he is also planning to station troops in Chicago US President Donald Trump on Sunday threatened to deploy National Guard troops to yet another Democratic stronghold, the Maryland city of Baltimore, as he seeks to expand his crackdown on crime and immigration. The Republican’s latest online rant about an “out of control, crime-ridden” city comes as Democratic state leaders — including Maryland Governor Wes Moore — line up to berate Trump on a high-profile political stage. Trump this month deployed the National Guard to the streets of Washington, in a widely criticized show of force the president said amounts to a federal takeover of US capital policing. The Guard began carrying
RSS