American Institute of Physics

Shifting winds in turbine arrays

Researchers modeling how changes in air flow patterns affect wind turbines' output power have found that the wind can supply energy from an unexpected direction: below.

dateOct 22, 2013 in General Physics
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Extracting energy from bacteria

Most of us wouldn't consider bacteria a promising energy source of the future. That would be shortsighted, says Leonard Tender, a microbial-electrochemist at the Naval Research Laboratory in Washington, D.C., who believes ...

dateOct 29, 2013 in Materials Science
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The secret of fertile sperm

To better understand the causes of male infertility, a team of Bay Area researchers is exploring the factors, both physiological and biochemical, that differentiate fertile sperm from infertile sperm. At ...

dateFeb 18, 2014 in Biochemistry
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Physicists working to cure 'dry eye' disease

The eye is an exquisitely sensitive system with many aspects that remain somewhat of a mystery—both in the laboratory and in the clinic. A U.S.-based team of mathematicians and optometrists is working to change this by ...

dateMay 06, 2014 in Soft Matter
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Cat's eyes: Designing the perfect mixer

As any amateur baker knows, proper mixing is crucial to a perfect pastry. Mix too little and ingredients will not be evenly distributed; beat instead of fold, and a soufflé will fall flat. Mixing strategies ...

dateOct 29, 2013 in General Physics
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Secrets of the cicada's sound

Of all the bugs that achieve the mantle of summer pest, cicadas are perhaps the most curious. They don't sting, they don't bite, they don't buzz around your head, they taste good in chocolate, but as the drowning din of the ...

dateMay 31, 2013 in Plants & Animals
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Malaria: Blood cells behaving badly

All the billions of flat, biconcave disks in our body known as red blood cells (or erythrocytes) make three basic, tumbling-treadmill-type motions when they wend their way through the body's bloodstream ferrying ...

dateJun 10, 2014 in Soft Matter
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New technology modifies music hall acoustics

A new technology that relies on a system of inflatable sound absorbers may help make any performance hall instantly convertible into a venue for music ranging from classical to hard rock. The technology will be described ...

dateMay 31, 2013 in General Physics
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