Tapering a Free-Electron Laser to Extract More Juice

(PhysOrg.com) -- Researchers from the NSLS and Science Applications International Corporation (SAIC) have demonstrated a technique that could be used to significantly improve the quantity and quality of light produced from ...

Catching electrons in the act: Science on the attosecond scale

(PhysOrg.com) -- Understanding how to create artificial photosynthesis, or tough, flexible high-temperature superconductors, or better solar cells, or a myriad other advances, will only be possible when we have the ability ...

Plasmonics: From metallic foils to cancer treatment

In a timely review paper, scientists from Japan, Germany, and Spain provide a highly relevant overview of the history, physical interpretation and applications of plasmons in metallic nanostructures.

Fast-flowing electrons may mimic astrophysical dynamos

A powerful engine roils deep beneath our feet, converting energy in the Earth's core into magnetic fields that shield us from the solar wind. Similar engines drive the magnetic activity of the sun, other stars and even other ...

Lenovo launches 'LePad' tablet in China

Chinese computer giant Lenovo has warned that supplies of its just-released tablet computer could be restricted after the earthquake and tsunami in Japan disrupted production of memory chips.

Wearable sensors gather lots of data—now to make it useful

It's not just about how many steps you've taken or how many calories you've burned in a day. Wearable fitness trackers and health monitors are becoming more commonplace and diverse, but just what do you do with all of that ...

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