News tagged with free electrons

The cosmic start of lightning

Even though lightning is a common phenomenon, the exact mechanism triggering a lightning discharge remains elusive. Scientists at the Dutch national research institute for mathematics CWI, the University of Groningen and ...

dateJul 01, 2015 in General Physics
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A novel source of X-rays for imaging purposes

Physicists at LMU Munich and the Max Planck Institute of Quantum Optics have validated a novel laser-driven means of generating bright and highly energetic X-ray beams. The method opens up new ways of imaging the fine structure ...

dateJun 16, 2015 in General Physics
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3D potential through laser annihilation

Whether in the pages of H.G. Wells, the serial adventures of Flash Gordon, or that epic science fiction saga that is Star Wars, the appearance of laser beams—or rays or phasers or blasters—ultimately meant the imminent ...

dateJun 16, 2015 in General Physics
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Smaller and cheaper particle accelerators?

Traditionally, particle accelerators have relied on electric fields generated by radio waves to drive electrons and other particles close to the speed of light. But in radio-frequency machines there is an upper limit on the ...

dateApr 22, 2015 in General Physics
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