Primitive Technology is one of the most fascinating and meditative channels on the internet. The videos are made by an Australian guy who goes into the woods by himself to create tools, structures, and food from literally nothing but his bare hands, mud, sticks and stones.

This week, the silent shirtless woodsman advanced himself from the Stone Age to the Iron Age by smelting his own metal. From iron-rich bacteria sludge next to a stream. What have you done today? (Read the full description for how he created his smelter below. It's fascinating.) Basically, the best place to be in an apocalypse situation is in the woods next to him.