American Institute of Physics

Sharkskin actually increases drag

On an intuitive level, you'd expect a shark's skin to reduce drag. After all, the purpose of sharkskin-inspired riblets—the micro-grooved structures found in aircraft wings, wind turbine blades and Olympic-class swimsuits—is ...

dateMar 15, 2016 in Soft Matter
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Why celestial bodies come in different sizes

Our solar system contains one massive object—the sun—and many smaller planets and asteroids. Now researchers from Duke University in Durham, N.C. have proposed a new explanation for the size diversity, which is found ...

dateMar 01, 2016 in General Physics
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Visualizing the emotional power of music

Musical styles and genres differ around the world, but the emotional power of music is universally felt. To understand this evocative force, researchers in many fields, including information science, neural perception, and ...

dateFeb 23, 2016 in Computer Sciences
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Absorbing acoustics with soundless spirals

Researchers at the French National Centre for Scientific Research, CNRS, and the University of Lorraine have recently developed a design for a coiled-up acoustic metasurface which can achieve total acoustic absorption in ...

dateFeb 09, 2016 in General Physics
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Nanodevice, build thyself

As we continue to shrink electronic components, top-down manufacturing methods begin to approach a physical limit at the nanoscale. Rather than continue to chip away at this limit, one solution of interest involves using ...

dateJan 14, 2016 in Nanophysics
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