Watch steelworkers forge enormous steel anchor chains

This industry video from Korean steelsmiths Dai Han Anchor shows workers forging and testing the largest anchor chains in the world. A fascinating mix of forge technology and cutting-edge quality control awaits. Read the rest

The machines that made the Jet Age

After World War II and the toppling of the Nazi regime, the Soviets laid claim to much of Germany's highly-advanced metallurgy industry. In so doing they got a head start on the Cold War race for supersonic air superiority. Unwittingly, they also set in motion a larger, and largely forgotten, industrial revolution that shaped the second half of the 20th century and will shape the 21st. This is the story of the birth of the Jet Age — but it’s anchored firmly to the ground.