Bronze Age discovery reveals humans were already making steel tools 2,900 years ago studyfinds.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from studyfinds.org Daily Mail and Mail on Sunday newspapers.
Tempered steel was a thing 2,900 years ago mining.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from mining.com Daily Mail and Mail on Sunday newspapers.