So it was originally discovered by, you know, founded by the scientists at Xerox back in the 70s.
So it has a very rich, deep history in America, in that North New York area with Cornell and, or not Cornell, Corning, Kodak, and these companies that are, you know, very prominent back in the 60s and 70s formed together this electrostatic society.
They've done that in the 70s with the angular momentum.