Gravity defying root that travels upstream with no push

Are you sure there is no thin transparent thread connecting the root and the bucket? The root doesn't climbs smoothly, it pauses sometimes and just spins at the same height, like if it was hanging …

Time to call Captain Disillusion https://www.youtube.com/user/CaptainDisillusion

Any thoughts on What’s the physics behind this? Can we explore this to create an efficient water transport mechanism.