It is a mystery of the movement of bubbles in water, which he first observed.
500 years ago he noticed bubbles reaching the surface of the water making a zigzag motion and not rising straight up.
It was called ‘Leonardo’s paradox’ and it was a puzzle for scientists until recently.
Bubbles are complex and difficult to study experimentally. For this reason, in order to understand the phenomenon, scientists created simulations that correspond to precise measurements. They concluded that the unsteady motions were due to interactions in the water flow. The very small ones go almost straight up. But the bigger ones change their curvature by going up for this and there is instability around them.
[Source: http://www.vice.com]
