Video: There are endless documentaries that explain the clever technology that allowed World War I fighter planes to fire their machine guns through their propellers without hitting the blades. But The Slow Mo Guys use their high-speed cameras so you can finally see exactly what’s happening.
Modern international trade is only possible because of our fleets of seafaring cargo ships. And as these gigantic vessels continue to grow to meet the increasing demands of a rapidly globalizing marketplace, so too do their components. Spanning nearly 34 feet in diameter and weighing a stout 113 tons, this massive cargo ship propeller is…