During World War II, inventor Geoffrey Pyke proposed an extraordinary answer to the Atlantic convoy crisis: a giant aircraft carrier made mostly of ice. Using a strengthened frozen material called ...

At some point during World War II, loony solutions to practical problems really started to shine. There were pigeon-guided missiles, shark repellent, and giant aircraft carriers made of ice. Well, ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 8 minutes As ...