But after the second world war, his former student, Norman Ramsey, improved Rabi's method, collecting his own Nobel prize for the work in 1989.

ECONOMIST: Global positioning: Accuracy is addictive | The

New badges will have added security features and the method to determine people's eligibility is being improved.

BBC: Blue badge parking measures introduced to combat fraud

This savings is occurring while providing them with a new, scalable method of aggregating customer energy consumption data, along with improved data security.

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