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After water, concrete is the most widely used substance on Earth. It’s the foundation to major structures all over the world and has been used for centuries – since the Roman Empire. But now, our oldest concrete-based infrastructure is approaching the end of its expected lifespan. Understanding the longevity of concrete is imperative for the safety of concrete buildings. We need to know when a co…

Schematic, cross-sectional view of a PEM fuel cell. Hydrogen fuel is channelled to the anode, while oxygen from air is channelled to the cathode. At the anode, hydrogen is split into protons (H+) and electrons (e-). The PEM allows the protons to cross to the cathode, while the electrons travel vi…

7 February 2020An international team has used neutron and X-ray tomography to investigate the dynamic processes that lead to capacity degradation at the electrodes in lithium batteries. Using a new mathematical method, it was possible to virtually unwind electrodes that had been wound into the for…