John O’Donoghue CEO of Enbio, with Yves Bonnefous, the ESA’s solar orbiter project controller, at the opening this month of Enbio’s space technology centre in Clonmel, Co Tipperary. photograph: aileen drohan

Picture a prehistoric cave-dweller producing crude animal drawings using charred bone. Now picture the same charred bone, but this time used to protec(...)