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Less is more with adding graphene to nanofibers
Figuring that if some is good, more must be better, researchers have been trying to pack more graphene, a supermaterial, into structural composites. Collaborative research led by University of Nebra ... more
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Negative resistivity leads to positive resistance in the presence of a magnetic field
In a paper appearing in Nature's Scientific Reports, Dr. Ramesh Mani, professor of physics and astronomy at Georgia State University, reports that, in the presence of a magnetic field, negative resi ... more
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A Stopwatch for Electron Flashes
Physicists at LMU Munich and the Max-Planck-Institute of Quantum Optics measure the duration of energetic electron pulses using laser fields.
A stopwatch made of light can determine the durati ... more
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Polymers can be semimetals
Polymers can behave like insulators, semiconductors and metals - as well as semimetals. Twenty researchers, under the leadership of Xavier Crispin, Docent in organic electronics at Linkoping Univers ... more
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