If there's one thing you've probably never had interest in deep frying, it's water.
But that hasn't stopped somebody doing it.
To do it you'll need some water that's been frozen and spherified using calcium alginate (which coats it in a thin layer of gel), flour, egg, breadcrumbs, a deep-fat fryer and, most importantly, a death wish.
This is a bad idea and you definitely shouldn't do it because oil and water go together like, well, oil and water.
As the warning on the video's YouTube page says: "This is potentially very dangerous. If water leaks out while the sphere is frying in hot oil, it may explode sending scalding oil everywhere. Do not attempt without proper safety precautions. Do not consume until cooled down or you may get burned. Also they don't taste particularly good. You have been warned."
Better still, just don't do it. Seriously.