This Video Of A Ship Rolling 40 Degrees In Heavy Seas Is Making Us Sick

The ocean is vast and powerful, but we've built vessels capable of staying afloat in extreme conditions. Nevertheless, watching a vessel being pushed to the limit, like this container ship, is a bit scary: 

The video, as crazy as it is, kind of undersells how extreme the tilt is. So we re-aligned a still along the horizon line and, uh, whoa: 

And somehow those containers stayed put.