News tagged with hop rates
New research shows why metal alloys degrade
Sep 24, 2008 |
4.1 / 5 (32) |
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(PhysOrg.com) -- Metal alloys can fail unexpectedly in a wide range of applications -- from jet engines to satellites to cell phones—and new research from the University of Michigan helps to explain why.
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Pioneering solar-powered plane makes airborne hop
Dec 03, 2009 |
3.5 / 5 (4) |
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The prototype of Solar Impulse, a pioneering Swiss bid to fly around the world on solar power, briefly took off for the first time on Thursday but under battery power, the organisers said.
Precise measurement of phenomenon advances solar cell understanding
Nov 18, 2008 |
4.3 / 5 (12) |
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(PhysOrg.com) -- "One type of solar cell design starts with a chain of chromophores strung between two electrodes," explained Dewey Holten, Ph.D., professor of chemistry in Arts & Sciences. "This chain absorbs ...
Mobile with 360 Mbit/s
Sep 25, 2004 |
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Using a combination of two radio technologies, Siemens researchers have now entered a new dimension of data transfer for mobile communications. The new system is able to transfer data at a rate of up to 360 megabits per sec ...
Lab and field test produces top speed for mobile network of up to 360 megabits per second
Sep 14, 2004 |
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At the "Mobile Internet 2010" forum held by the German Ministry of Education and Research on September 14 and 15, Siemens presented the latest results from its mobile communication research for the first time to the general public. On a test system, videos and ...
Fraudsters beware: Iowa State engineer is developing cyber technology to find you
Technology / Computer Sciences
Jan 07, 2008 |
3.8 / 5 (10) |
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Yong Guan had scribbled 12 arrows across his office whiteboard, each black line going from one little box he had drawn to another little box. He had written five long formulas up there, too. And that was bad ...
Study shows parents back junk-food ban in schools
Sep 28, 2009 |
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(PhysOrg.com) -- The issues surrounding children being overweight or obese plague society. In fact, the prevalence of these rates has tripled in the past three decades. But the University of Alberta's Paul ...
New method of assessing women's eggs could enhance IVF success, study shows
Mar 23, 2009 |
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Many couples who have trouble conceiving a child have turned to a process known as in vitro fertilization. The resulting embryos are then transferred back into the woman or placed in storage. More than 400,000 embryos are ...
Racial disparity in lung cancer rates narrowed in young adults due to larger decrease in smoking
Dec 03, 2009 |
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Effective prevention of smoking among teenagers, particularly black teenagers, is narrowing the disparity in lung cancer rates between blacks and whites, according to a report published in Cancer Epidemiology, Biomarkers & ...
Debunking fears: Latino growth does not boost crime
Other Sciences / Social Sciences
Dec 09, 2009 |
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Rural industries, such as meat-packing and textile manufacturing, create job opportunities that have brought significant numbers of Latino workers and their families to small- and medium-sized towns. This influx of Latino ...
Hope for men with nonobstructive infertility
Dec 03, 2009 |
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It has been thought that men with non-obstructive azoospermia (NOA), a lack of sperm in the semen not caused by an obstruction within the reproductive system, are poor candidates for IVF. Now, researchers writing in the open ...
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