TechnologyEnergy-storing concrete could form foundations for solar-powered homes A mixture of cement and fine charcoal can become a supercapacitor that could someday charge homes or electric vehicles News
SocietyEnglish industrialist stole iron technique from Black metallurgists A process for converting scrap metal into high-quality iron, which was crucial to the Industrial Revolution, was devised by Black metallurgists who were enslaved and transported to Jamaica by the British News