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     Strategic Investments

             PNNL has a portfolio of investments to deliver transformational S&T,
             accelerate innovation, develop new partnerships for national and
             international impact, transform our workforce, and nurture and evolve
             our core capabilities.

        “Science is the acceptance of what works and the

         rejection of what does not. That needs more courage

        than we might think.”

                                                      —Jacob Bronowski

6 | 2017 PNNL Laboratory Agenda  A Material Improvement for Fusion Reactors – Researchers at
                                 PNNL are studying tungsten-copper composites as a model
                                 material for use in nuclear fusion reactors. On its own, tung-
                                 sten is durable but brittle. Combining it with copper or other
                                 metals with a high melting point, however, makes it tougher
                                 and better able to withstand the wear and tear of fusion
                                 reactor operation. This project supports international efforts
                                 to develop tough tungsten composites and was funded by
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