While wheels may have an advantage on roads and paved surfaces, tank treads are more suited to unpaved and muddy arenas.

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 ...