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ISS

Smooth, 6.5 Hour Spacewalk To Fix ISS Ammonia Pump 90

The ISS crew can breathe a little easier now; the NY Times reports that the ammonia pump repair that the station has needed has now been partly completed, and in less time than expected. More work is scheduled, but, says The Times: "The astronauts, Col. Michael S. Hopkins of the Air Force and Richard A. Mastracchio, were far ahead of schedule throughout the spacewalk as they detached tubing and electrical connectors from the pump. They were able to remove the 780-pound module and move it to a temporary storage location, a task that had been scheduled for a second spacewalk on Monday. ... Colonel Hopkins and Mr. Mastracchio stepped out of an airlock at 7:01 a.m. Eastern time, and even though they accomplished more than they had set out to do, they were able to return at 12:29 p.m., an hour earlier than had been scheduled. The two encountered few complications." Ars Technica has video, too.
Security

3-D Light System May Revolutionize Fingerprinting 71

coondoggie writes "The US Department of Homeland Security's Science & Technology Directorate recently awarded almost $420,000 to a Kentucky company to further develop a contactless finger print/biometric system. The goal is a machine that can snap 10 fingerprints in high resolution in less than 10 seconds, without human intervention. This goal is beginning to look feasible. FlashScan3D is working with the University of Kentucky's Center for Visualization and Virtual Environments, and has developed a technique called 'structured light illumination' (WIPO patent description), where a pattern of dots or stripes is projected onto a curved or irregular surface."

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