Part 12/13:
The essence of this story is that the self-heating wall is neither a novel invention nor a failed experiment. It is an ancient, proven, and affordable method, backed by decades of rigorous research and real-world application. Its silence and simplicity have made it easy to overlook, but its physics remain sound, and its benefits are clear.
It’s time to reopen the archives of knowledge often dismissed or neglected. The sun has been offering us a free, reliable source of heat for thousands of years — all we need to do is turn our houses to face it.