When thinking about war and military vehicles, it's hard not to immediately consider the tank. A hulking, armored brute with a mounted cannon, the tank is in many ways the quintessential war machine.

Every now and again, an ingenious design appears in the timeline of progressing technology and forever impacts its evolution. This phenomenon happened with World War II tanks when some adopted sloped ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In 1935, Popular Science announced the age of the tank with these ...