News tagged with measurement technique

Quantum copies do new tricks

One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons ...

dateMar 22, 2012 in Quantum Physics
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Reanalyses find rising humidity in the Arctic

( -- Direct, reliable observations of atmospheric conditions stretch as far back as the mid seventeenth century, with otherwise consistent records being punctuated by periodic updates in methods, practitioners, and ...

dateJul 06, 2012 in Earth Sciences
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Ultra fast photodetectors out of carbon nanotubes

Single-walled carbon nanotubes are promising building blocks for future optoelectronic devices. But conventional electronic measurements were not able to resolve the ultra fast optoelectronic dynamics of the nanotubes. Now ...

dateMar 07, 2011 in Nanophysics
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