New technique maps the body electric

Article Abstract:

Han Wen and Robert Balaban have developed a new medical-imaging technology they call Hall-effect imaging (HEI). The method, which imposes a magnetic field on an ultrasound beam to obtain a Hall voltage, produces much better resolution than ultrasound at less cost than magnetic resonance imaging.

Usage, Diagnostic imaging, Hall effect

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Shuttle radar maps ancient Angkor

Article Abstract:

Radar images from the Space Shuttle Endeavor are helping World Monuments Fund locate new features of the ancient city of Angkor in Cambodia. The radar's sensitivity to differences in texture make it especially valuable for use on forested sites.

Discovery and exploration, Archaeology, Imaging systems, Radar, Surveying, Radar in surveying, Angkor Wat, Cambodia, Imaging systems in archaeology

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Synthetic aperture radar for geodesy

Article Abstract:

Researchers at a May 1996 National Academy of Sciences meeting discussed strategies that could be used to develop synthetic aperture radar interferometry (InSar) to its full potential for use as a geodesic tool.

Research, Conferences, meetings and seminars, Equipment and supplies, National Academy of Sciences, Synthetic aperture radar, Geodetic research

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