Скачать или смотреть How Did Native Americans Survive in Tiny Huts–You’d Suffocate

It seems impossible. An open fire in a small, unventilated room is a modern death trap, rapidly filling with odorless carbon monoxide. And yet, for millennia, Indigenous peoples across North America survived by bringing fire indoors.

How did they live, cook, and sleep around an open flame without suffocating?

The answer is not magic. It is engineering.

We have been taught to see these dwellings as "primitive huts," a label that masks the truth. This video reveals the lost science behind these structures, showing them for what they truly were: sophisticated, high-performance engines, precision-tuned to manage the physics of fire. The peoples who built them were not just occupants; they were masters of fluid dynamics.

Join us as we dissect the applied science of three ingenious survival machines:

The Lakota Teepee (Tipi): Discover its hidden second wall, a lining that created a perfect convection engine to pre-heat fresh air and draw smoke out with incredible efficiency.

The Inuit Iglu (Igloo): Learn how this multi-level snow dome used air density to create a "cold sink," trapping heavy, toxic CO2 at the floor level while keeping the elevated living platform warm and rich with oxygen.

The Algonquian Wigwam (Wetu): See how this double-walled dome was engineered to breathe, managing humidity by allowing moisture to pass through an inner mat and condense on the waterproof outer bark, leaving the inside perfectly dry.

The "suffocation paradox" was never a paradox at all. It was a failure of our own perception. This is the story of a science we are only just beginning to appreciate.