‘Marco Polo’ game used to develop robots
Friday, March 27th, 2009Gizmorama -
“The Cutting Edge of Science Fact and Science Possibilities”
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Good Morning,
Did you know that a new treatment for epilepsy was
found effective? Check It Out…..
Have A Good Weekend!
Erin
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New treatment for epilepsy found effective
A U.S. medical scientist says a new nerve-stimulation
device can reduce seizures caused by intractable epil-
epsy by more than 50 percent. University of California
at Los Angeles Professor Christopher DeGiorgio and col-
leagues said a just completed, long-term pilot trial
demonstrated the effectiveness of the new treatment,
called trigeminal nerve stimulation. The results, al-
though preliminary, are very encouraging, DeGiorgio
said. People participating in the trial for three
months had a 66 percent reduction in the number of
seizures, and one of the subjects who participated for
a full year had a 90 percent reduction. A larger clin-
ical trial to further test for safety and effectiveness
is now being conducted. The research is reported in the
journal Neurology.
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‘Marco Polo’ game used to develop robots
U.S. scientists have used the popular children’s game
“Marco Polo” to guide their development of a system
for controlling moving robots. Assistant Professor
Silvia Ferrari of Duke University and Associate Pro-
fessor Rafael Fierro of the University of New Mexico
said they have used the simple pursuit-evasion game
in creating a system that allows robots to not only
“sense” a moving target, but intercept it. They said
such a system has broad applications, ranging from
security systems to track unwanted intruders such as
enemy ships or burglars, to systems that create radi-
ation or environmental hazard maps, or even track en-
dangered species. The main challenge facing research-
ers is developing the artificial intelligence to con-
trol the robots and their sensors without direct human
guidance. The research appears in the online edition
of the Journal on Control and Optimization, a publica-
tion of the Society for Industrial and Applied Mathe-
matics.
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Most Americans want global warming cuts
Researchers say more than 90 percent of U.S. citizens
support governmental action to reduce global warming
despite the current economic crisis. The results of a
national survey prepared by researchers at Yale and
George Mason Universities included 34 percent who said
the United States should make such a major effort,
even if it has large economic costs. And two-thirds of
survey participants said the United States should re-
duce its emissions of greenhouse gases regardless of
what other countries do. “When you make a mess, you’re
supposed to clean up after yourself,” said Anthony
Leiserowitz, director of Yale University’s Project on
Climate Change. “We think many Americans view climate
change in a similar way. The United States should act
to reduce its own emissions regardless of what other
countries do.” Peoples’ primary concerns about reduc-
ing global warming were that it would lead to more
government regulation (44 percent), cause energy
prices to rise (31 percent) or cost jobs and harm the
economy (17 percent), the researchers said. However,
among those who believed both positive and negative
outcomes will occur, 92 percent said that despite
their concerns, the nation should act to reduce global
warming. The results come from a nationally representa-
tive survey of 2,164 American adults, age 18 and older.
The margin of sampling error was plus or minus 2 per-
cent. The report is available in PDF format at
http://envirocenter.research.yale.edu/uploads/climatechange-report2.pdf.