Throughout his lifetime, Leonardo da Vinci designed many fantastical flying machines, self-driving carts and even a tank! Explore 3D models of these wonderful designs. In the mid-1480s ...

Long before Silicon Valley pitches or Shark Tank deals, there was Leonardo da Vinci, an artist ... Absolutely. The self-propelled cart A robot car…in the 1400s? Yep. Powered by coiled springs ...