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The world's strongest neutron beam is produced by a scientific instrument at the research neutron source FRM II (Forschungs-Neutronenquelle Heinz Maier-Leibnitz) at the Technischen Universitaet Muenchen (TUM). But that is not all: During the long maintenance break in 2011, the instrument PGAA (Prompt Gamma Activation Analysis) was improved to give it the best ratio between usable neutrons and noisy background radiation worldwide.

When the U.S. military attacked Iraq in March 2003, it brought to bear the most advanced technology then available for identifying potential terrorists by their physical features. The equipment measured all sorts of physical features--from fingerprints to images of the retina--but it was not particularly easy to use.