1942

How X-ray shoe fittings used to really be a thing years ago
How X-ray shoe fittings used to really be a thing years ago

Back in the 1920s, footwear manufacturers and merchants decided that X-ray shoe fittings could bring in lots of customers – people who would be thrilled to let a recent scientific advance help them find the perfect shoe. There was just a little problem…

WWII fighter planes compared (1940s)
WWII fighter planes compared (1940s)

The Allies weren’t just trying to create the very best WWII fighter planes that they could – they were also constantly evaluating what the Nazis were using. Here’s a look.