SUPERCONDUCTING domains have been detected in lead by means of an electron beam technique previously used to detect magnetic domains 1. A spectroscopically pure cylinder of lead, 1.1 cm long and 0.28 ...
This press release is also available in German. It has been speculated that lead poisoning may have played a role in the fall of the Roman Empire: it is thought to have been caused by the ...
Tsukuba, Japan—Nanocarbon materials with pointed geometries, such as graphene and carbon nanotubes, are considered promising candidates as sources for field emission electrons. However, their ...
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