American Institute of Physics

Bright, laser-based lighting devices

As a modern culture, we crave artificial white lights—the brighter the better, and ideally using less energy than ever before. To meet the ever-escalating demand for more lighting in more places and to ...

dateSep 27, 2013 in General Physics
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Triplet threat from the sun

The most obvious effects of too much sun exposure are cosmetic, like wrinkled and rough skin. Some damage, however, goes deeper—ultraviolet light can damage DNA and cause proteins in the body to break down ...

dateOct 21, 2014 in Materials Science
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New light on the 'split peak' of alcohols

For scientists probing the electronic structure of materials using a relatively new technique called resonant inelastic soft X-ray scattering (RIXS) in the last few years, a persistent question has been how ...

dateOct 14, 2014 in General Physics
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Predicting the extent of flash flooding

Devastating floodwaters such as those experienced during Iowa's Flood of 2008—which swamped many Iowa communities, along with ten square miles of Cedar Rapids—are notoriously difficult to predict.

dateMar 10, 2015 in General Physics
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Low-priced plastic photovoltaics

Photovoltaic devices, which tap the power of the sun and convert it to electricity, offer a green—and potentially unlimited—alternative to fossil fuel use. So why haven't solar technologies been more ...

dateOct 22, 2013 in General Physics
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Water caged in buckyballs

In a new paper in the Journal of Chemical Physics, a research team in the United Kingdom and the United States describes how water molecules "caged" in fullerene spheres ("buckyballs") are providing a deep ...

dateMay 20, 2014 in Condensed Matter
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Harvesting light, the single-molecule way

New insights into one of the molecular mechanisms behind light harvesting, the process that enables photosynthetic organisms to thrive, even as weather conditions change from full sunlight to deep cloud cover, ...

dateFeb 16, 2014 in General Physics
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