It doesn't matter whether you can or cannot achieve high temperature superconductivity or fuel cells, they will always be on the list because if you could achieve them they would be extremely valuable.
“Every country gets the circus it deserves. Spain gets bullfights. Italy the Church. America Hollywood.”
“Some white people hate black people, and some white people love black people, some black people hate white people, and some black people love white people. So you see it's not an issue of black and white, it's an issue of Lovers and Haters.”