Gherman got to showcase his app on "Shark Tank's" 16th episode in season 15. Da Vinci Eye aims to keep budding visual artists going and give those who gave up on their artistic aspirations too ...

when Leonardo da Vinci penned a letter to the Duke of Milan that included a design for what is considered a proto-tank -- one of many inventions you may not have realized came from da Vinci.

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 ...

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. You might know that Leonardo ...

There were flying machines, a parachute a robotic knight and even a tank.' LEONARDO DA VINCI:Check me out, I'm gonna blow you up from the 16th Century. FRAN SCOTT:So which one's your favourite ...