metallurgy

Never-before-seen alloy forged by Hiroshima bomb found in beach sand

Eighty years after the atomic bombing of Hiroshima, scientists have identified a previously unknown metallic alloy created in the seconds following the detonation — a finding that underscores how nuclear explosions can forge complex, ordered materials rather than merely destroying…

Bronze Age city in Kazakhstan reveals steppe metalwork hub

An international team of archaeologists has uncovered the remains of Semiyarka, a vast Bronze Age settlement in northeastern Kazakhstan that challenges longstanding assumptions about prehistoric steppe societies. The 140-hectare city, dating to around 1600 BC, reveals that nomadic communities were…

Archaeologists discover world’s oldest steel acupuncture needles in ancient tomb

Archaeologists have discovered the world's earliest known steel acupuncture needles, dating back over 2,000 years to the Western Han Dynasty (202 BC-220 AD), in the tomb of the Marquis of Haihun in East China's Jiangxi Province, a remarkable archaeological site…