Engineering | Science | Technology on Instagram: "Japan’s zero-nail construction comes from traditional carpentry techniques like kanawatsugi and mortise-and-tenon joints. Each wooden piece is cut to interlock perfectly with the next, distributing weight and stress across the structure instead of concentrating it in nails or screws. The real advantage shows up during earthquakes. Since there’s no rigid metal holding everything stiff, the building can flex, shift, and settle back into place witho