During World War II, one of the strangest and most ambitious Allied engineering ideas was Project Habakkuk — a British plan to build enormous aircraft carriers out of ice. The concept was born in 1942 from the imagination of eccentric scientist Geoffrey Pyke, who proposed using a material called pykrete, a mixture of ice and wood pulp, which was incredibly tough and slow to melt. The idea was that such ships could operate as floating airbases in the mid-Atlantic, where there were no islands or r

During World War II, teenage British girls at Bletchley Park played a key role in defeating Nazi Germany by decoding German communications with the Enigma machine. Their efforts, often hidden from their own families, shortened the war by two years and saved countless lives, especially by tracking German U-boats. | History Untold