ScienceWithAD on Instagram: "Impossible Engineering from the Past! This is an ancient method of building bridges using only nine pieces of wood. It was designed by Leonardo da Vinci over 500 years ago. What makes it unbelievable is that it uses no nails, no screws, and no support underneath. Every wooden piece is placed so precisely that they lock into each other using pure physics — pressure and balance. The smartest part? The more weight and force applied to the bridge, the tighter the pieces
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ScienceWithAD on Instagram: "Impossible Engineering from the Past! This is an ancient method of building bridges using only nine pieces of wood. It was designed by Leonardo da Vinci over 500 years ago. What makes it unbelievable is that it uses no nails, no screws, and no support underneath. Every wooden piece is placed so precisely that they lock into each other using pure physics — pressure and balance. The smartest part? The more weight and force applied to the bridge, the tighter the pieces
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