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New technology helps the brain to learn | |
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Gizmorama - New technology helps the brain to learn
"The Cutting Edge of Science Fact and Science Possibilities"
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Good Morning,
Have you followed the DB Cooper mystery that has been in
the news again recently? I watched a show on it a few months
ago and yesterday saw the article about the parachute that
may belong to the famous hijacker. I wonder if this mystery
will ever be solved. Here is a link to more on the story if
you are interested...
http://ap.google.com/article/ALeqM5h73kW1SKrMtRmHhB_8hgOjjm9gPwD8VL3UB80
Until Tomorrow,
Erin
Questions? Comments? Email me at: mailto:gizmo@gophercentral.com
Email your comments
P.S. You can discuss this issue or any other topic in the new
Gizmorama forum. Check it out here...
http://archives.gophercentral.com/forum/forums/forum-view.asp?fid=23
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New technology helps the brain to learn
New U.S. technology is enabling scientists to translate the
most abstract, complex concepts into clearer, more precise
three-dimensional images. The technology developed at Tufts
University involves a 14-foot by 8-foot visualization
display -- called "VisWall" -- that's designed to aid
researchers in such diverse disciplines as mathematics,
physics, drama and dance. "Users will be able to manipulate,
simulate, touch and literally immerse themselves in data in
a way they never have been able to before," said Amelia
Tynan, co-principal investigator of the study with Professor
Robert Jacob. The wall features a high resolution display
that uses a single screen with nearly nine megapixels
resolution and two rear projectors to create high-resolution
images and animation. By using a single screen and two
projectors, the scientists said they are able to produce
ultra-high resolution images that appear smoother and without
seams. The system can also combine the sense of touch with
that of sight through haptic devices that convey varying
levels of resistance to a user when he or she touches
graphical objects on the display. The research is being funded
through a $350,000 National Science Foundation grant.
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Study: Color vision independent of motion
A U.S.-led study has determined the vision system the brain
uses to process color is separate from that used to detect
motion. Researchers at New York University and Germany's
University of Wurzburg said their findings run counter to
previous studies that suggested motion detection and color
contrast might work in tandem. The scientists said they used
the fruit fly Drosophila for the study since fruit flies'
development is well-understood. Specifically, the researchers
monitored optomotor response to moving color stimuli in both
normal and mutant flies, with some of the mutant flies lacking
the photoreceptors necessary for motion detection and others
without the photoreceptors needed to process color. The results
showed flies lacking the photoreceptors for detecting color
showed the same ability to detect motion as normal flies. The
researchers concluded the color channel doesn't contribute to
motion detection. The study, which included Claude Desplan of
New York University, Reinhard Wolf and Martin Heisenberg of
the University of Wurzburg and Satoko Yamaguchi who holds
appointments at both institutions, appears in the Proceedings
of the National Academy of Sciences.
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NASA to lead large air pollution study
The U.S. space agency plans the largest airborne study ever
conducted of air pollution in the Arctic Circle's atmospheric
chemistry and changing climate. Three NASA research aircraft
and more than 100 scientists will be based in Fairbanks,
Alaska, next month to investigate the "arctic haze" of air
pollution that forms from sources across the Northern Hemisphere.
The National Aeronautics and Space Administration said its
experiment -- Arctic Research of the Composition of the
Troposphere from Aircraft and Satellites, or ARCTAS -- -- will
use aircraft and satellites to study the arctic atmosphere,
sampling pollution particles and gases to understand their
origins and how they influence climate across the region.
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