American Institute of Physics

Taking the bite out of baseball bats

Miss hitting the "sweet spot" on a baseball bat and the resulting vibrations can zing your hands. Bat companies have tried for decades to reduce these painful shocks with limited success. But Daniel Russell, a professor in ...

Oct 18, 2012
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Getting to the core of Fukushima

Critical to the recovery efforts following the devastating effects of the 2011 tsunami on Japan's Fukushima reactor is the ability to assess damage within the reactor's core. A study in the journal AIP Advances by a team ...

Aug 07, 2013
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Simulating flow from volcanoes and oil spills

Some time around 37,000 BCE a massive volcano erupted in the Campanian region of Italy, blanketing much of Europe with ash, stunting plant growth and possibly dooming the Neanderthals. While our prehistoric relatives had ...

Aug 12, 2013
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Silent stalkers of dark ocean waters

The mating roar of a male harbor seal is supposed to attract a partner, not a predator. Unfortunately for the seals, scientists have found evidence that marine-mammal-eating killer whales eavesdrop on their ...

Dec 03, 2013
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Key factors for wireless power transfer

What happens to a resonant wireless power transfer system in the presence of complex electromagnetic environments, such as metal plates? A team of researchers explored the influences at play in this type of situation, and ...

Jul 31, 2013
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Sorting stem cells

When an embryonic stem cell is in the first stage of its development it has the potential to grow into any type of cell in the body, a state scientists call undifferentiated.

Jan 03, 2013
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'Valley Girl' dialect expanding to males

The American English speech variant known as uptalk, or "Valley Girl speak" – marked by a rise in pitch at the ends of sentences – is typically associated with young southern Californian females. New research shows uptalk ...

Dec 04, 2013
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Computer model predicts red blood cell flow

Adjacent to the walls of our arterioles, capillaries, and venules—the blood vessels that make up our microcirculation—there exists a peculiar thin layer of clear plasma, devoid of red blood cells. Although it is just ...

Aug 13, 2013
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Slip-and-slide power generators

Researchers from Vestfold University College in Norway have created a simple, efficient energy harvesting device that uses the motion of a single droplet to generate electrical power.

May 24, 2012
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