Quantum correlations make you never fail a test again

(Phys.org) —In the burgeoning field of quantum metrology, quantum effects are exploited to improve the precision when measuring a variety of parameters, such as phase, frequency, and magnetic fields. A main goal of this research is to develop high-accuracy measurement devices that could benefit many areas of science. In a way, explains physicist Gerardo Adesso at the University of Nottingham in the UK, this goal is similar to preparing to answer the most difficult question on an academic exam.

from Phys.org – spotlight science and technology news stories http://ift.tt/1qIaCn3
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