No Glue, No Nails - Leonardo's Bridge Holds Itself

No Glue, No Nails - Leonardo's Bridge Holds Itself Leonardo's Arched Bridge Welcome back to Kids Fun Science! Today, we're showing you **how to make** Leonardo's Arch Bridge, a fascinating **leonardo da vinci bridge** project. This incredible **self supporting bridge** requires no nails or glue, highlighting a brilliant example of **engineering** principles. It's a perfect **science for kids** activity, offering a hands-on introduction to structural design. Amazon USA Painter sticks - https://amzn.to/2yziYZ8 Kids Fun Science On-line Store (All money goes back into the schools) https://teespring.com/stores/kids-fun-science Chapters 0:00 Kids Fun Science Intro 0:06 What you need 0:13 Set up 0:50 Science behind Leonardo's Arched Bridge What's cool about this experiment is doesn't use nails, screws, rope, glues, notches, or other fasteners are holding the bridge in place. Just friction and gravity. Leonardo da Vinci although he's best known for iconic works such as "Mona Lisa" and "Last Supper," in the early 16th century, da Vinci designed a lesser-known structure: a bridge for the Ottoman Empire that would have been the longest bridge of its time. Had it been built, the bridge would have been incredibly sturdy, according to a new study. Interestingly, Norway's da Vinci Bridge—a pedestrian overpass opened in 2001—is loosely based on the 1502 sketch but uses steel and wood instead of masonry blocks. The prototype of the bridge is a walkway of 4 meters (13 feet) long and can hold a weight of up to 500 kilograms (1102 pounds) SCIENCE BEHIND IT! Modern bridges are built with high-strength materials and carefully selected fasteners. Designs considerations include the weight of the bridge and the load it carries as well as stresses caused by wind and earthquakes. Bridge components are subject to tension, compression, torsion, and shear Leonardo’s arched bridge is amazing in that the design is self-supporting, requiring no fasters. Leonardo envisioned using nothing but large logs to build his bridge. The bridge’s own weight holds it together. As weight is added to the bridge. Its structural elements are forced more tightly together, making it even stronger.