Friday offtopic. Genius cooling without electricity

[kiaa]

In the desert city of Yazd, Iran, over 700 ancient windcatchers (called badgirs) have been cooling homes for 2500 years, lowering indoor temperatures by up to 15C without using electricity. These tall, beautifully designed brick towers capture and channel wind through internal chambers, cooling it naturally via water, evaporation and thick walls, while simultaneously pushing out hot air.

This passive cooling system is so effective that it keeps interiors around 25–30C even when it's 45C outside. Built into clay brick homes with smart design features, badgirs are now studied as sustainable models for modern architecture. UNESCO has recognized Yazd as a World Heritage Site not only for its beauty, but for showcasing how ancient technology can outperform modern air conditioning:

Comments

[asthfghl]

The passive cooling system is impressive on its own, no need for exaggerations for the sake of sensationalism.

As for the genius behind them, we should actually look at termite mounds as those are the inspiration for these structures. same principle of airflow only put in a more beautiful man-made structure.

[kiaa]

You're right, the passive cooling system is genuinely impressive without needing exaggeration. The numbers and descriptions aim to highlight just how effective it is, especially in a desert environment where 45°C is the norm.

Regarding the inspiration, termite mounds and windcatchers both use similar principles of natural ventilation, but the badgirs in Yazd have been around for over 2,000 years. Modern studies of termite mounds came much later and may have drawn parallels from human architecture rather than from nature. Either way, it's fascinating how both nature and ancient engineering converged on such a smart solution!