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Something Old, Something New January 24, 2010

Posted by vorpalkeith in science.
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Today is about technology links:

Try pronouncing this . . . “Antikythera”

X-rays and advanced photography have uncovered the true complexity of the mysterious Antikythera mechanism, a device so astonishing that its discovery is like finding a functional Buick in medieval Europe.

In 1900, some divers found the wreck of a Roman vessel off the Greek island of Antikythera. Among the other treasures remanded to the Greek government was an unassuming corroded lump. Some time later, the lump fell apart, revealing a damaged machine of unknown purpose, with some large gears and many smaller cogs, plus a few engraved words in Greek. Early studies suggested it was some type of astronomical time-keeping device – researcher Derek J. de Solla Price laid the groundwork by establishing initial tooth counts and suggesting that the device followed the Metonic cycle, a 235-month pattern commonly used to predict eclipses in the ancient world.

BEHOLD THE PAST

And then:

A new study published today in the Journal of Neural Engineering suggests that there may be distinct biomarkers of PTSD in the brain, which can be analyzed for severity. Neuroscientists have demonstrated before that trauma and other psychological disorders change the structure of neural networks in the brain. But this study is further confirmation that something as subjective as “trauma” can be measured objectively with brain scans.

BEHOLD THE FUTURE

i09 rules.

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