If you mean winglets, then yes, they are tinkering around with the same sort of thing. You can’t stop shedding the vortices but there are better and worse ways of doing it…
The other thing you can do is have swept-forward wings. This looks very wrong because we are used to looking at aircraft the other way around. It has stiffness problems, and gives similar stalling problems to the flying wing. But, as with the others, you can stabilise it with computers.
