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

The Jolly Leader on Instagram: "A Masterclass in DIY Engineering: The Thai Rocket Festival! 🚀🔥 ​Watch as this massive, homemade circular rocket—known as a Girandola style rocket—takes to the skies during a traditional Rocket Festival. What starts with a thick cloud of smoke quickly turns into a steady, powerful ascent as the rocket spins its way toward the clouds. The rhythmic "huffing" sound of the engines is as mesmerizing as the visual itself! ​Known for being both a spiritual tradition and