Physics World April 2026

Concrete solutions: cutting carbon emissions from this vital building material

Concrete shapes the world around us and is a staple for our infrastructure – but it is also one of the biggest carbon emitters. Benjamin Skuse asks if concrete’s climate impact can be tamed by physics, and what role AI can play in reformulating the product. Also this month, Natasha Khan describes her career as a nuclear safety engineer, Debbie Callahan examines the power of commercial laser fusion, while Robert P Crease interviews Mulugeta Bekele – the jailed and tortured scientist who kept Ethiopian physics alive.

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