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NEW ORLEANS, Louisiana (AP) -- Google's replacement of post-Hurricane Katrina satellite imagery on its map portal with images of the region before the storm does a "great injustice" to the storm's victims, a congressional subcommittee said.

The House Committee on Science and Technology's subcommittee on investigations and oversight on Friday asked Google Inc. Chairman and CEO Eric Schmidt to explain why his company is using the outdated imagery.

"Google's use of old imagery appears to be doing the victims of Hurricane Katrina a great injustice by airbrushing history," subcommittee chairman Brad Miller, D-North Carolina, wrote in a letter to Schmidt.

Swapping the post-Katrina images and the ruin they revealed for others showing an idyllic city dumbfounded many locals and even sparked suspicions that the company and civic leaders were conspiring to portray the area's recovery progressing better than it really is.

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Early Astronomical ‘Computer’ Found to Be Technically Complex

A computer in antiquity would seem to be an anachronism, like Athena ordering takeout on her cellphone.

But a century ago, pieces of a strange mechanism with bronze gears and dials were recovered from an ancient shipwreck off the coast of Greece. Historians of science concluded that this was an instrument that calculated and illustrated astronomical information, particularly phases of the Moon and planetary motions, in the second century B.C.

The instrument, the Antikythera Mechanism, sometimes called the world’s first computer, has now been examined with the latest in high-resolution imaging systems and three-dimensional X-ray tomography. A team of British, Greek and American researchers deciphered inscriptions and reconstructed the gear functions, revealing “an unexpected degree of technical sophistication for the period,” it said.

The researchers, led by the mathematician and filmmaker Tony Freeth and the astronomer Mike G. Edmunds, both of the University of Cardiff, Wales, are reporting their results today in the journal Nature.

They said their findings showed that the inscriptions related to lunar-solar motions, and the gears were a representation of the irregularities of the Moon’s orbital course, as theorized by the astronomer Hipparchos. They established the date of the mechanism at 150-100 B.C.

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